When you need to express urgency, the best word depends on what you are trying to communicate. You may want to show that something needs immediate attention, emphasize a pressing deadline, describe a serious situation, or simply encourage faster action. Although many words are related to urgency, they are not all interchangeable.
This guide covers useful synonyms and contextual alternatives for urgency, from formal terms such as immediacy and pressing need to everyday expressions such as need to act quickly. You will also see realistic examples for emails, business writing, academic work, customer service, and everyday conversation.
Quick Answer
Common synonyms for urgency include immediacy, haste, promptness, necessity, pressing need, priority, importance, exigency, pressure, and immediacy of action. The best choice depends on context: immediacy emphasizes speed, pressing need emphasizes necessity, and priority emphasizes importance rather than speed.
Quick List: Alternatives for Urgency
Closest alternatives
- Immediacy
- Pressing need
- Necessity
- Haste
- Promptness
- Pressingness
- Need for immediate action
- Immediate attention
- Time pressure
Formal alternatives
- Immediacy
- Exigency
- Pressing need
- Imperative
- Necessity
- Expediency
- Compelling need
- Immediate necessity
- Critical need
- Pressing concern
Neutral alternatives
- Priority
- Importance
- Time sensitivity
- Need for prompt action
- Immediate attention
- Deadline pressure
- Time constraint
- Need for quick action
Casual alternatives
- Need to act fast
- Need to hurry
- Rush
- Need to do it soon
- Short on time
- Time crunch
- Need to move quickly
Formal Alternatives for Urgency
1. Immediacy
Meaning: The quality of needing attention or action right away.
Explanation: Immediacy is one of the closest formal alternatives to urgency. It focuses strongly on how quickly something needs to happen.
Example: The situation requires immediate action because of its immediacy.
Best Use: Reports, professional writing, formal correspondence, and academic discussions.
Worst Use: Casual conversations, where it can sound unnecessarily formal.
Tone: Formal and precise.
2. Exigency
Meaning: An urgent need or difficult situation that requires immediate action.
Explanation: Exigency is a more advanced word than urgency. It often describes circumstances that demand a response.
Example: The team responded quickly to the exigency created by the unexpected system failure.
Best Use: Formal reports, academic writing, policy discussions, and serious professional contexts.
Worst Use: Casual emails or simple everyday conversations.
Tone: Highly formal.
3. Pressing Need
Meaning: A strong need that requires attention soon.
Explanation: Pressing need is useful when urgency comes from necessity rather than simply from a deadline.
Example: There is a pressing need to improve access to reliable information.
Best Use: Business, nonprofit, academic, and professional writing.
Worst Use: Situations where there is no real need for immediate action.
Tone: Formal to neutral.
4. Necessity
Meaning: Something that is required or cannot reasonably be avoided.
Explanation: Necessity is related to urgency but is not an exact synonym. It emphasizes the need for something rather than the speed of action.
Example: The necessity of addressing the problem became clear after the review.
Best Use: Academic and formal writing.
Worst Use: When you specifically need to communicate that something must happen immediately.
Tone: Formal and neutral.
5. Imperative
Meaning: Something extremely important or necessary.
Explanation: An imperative is a strong requirement or command. It can communicate urgency when immediate action is essential.
Example: It is an imperative that the organization protect customer information.
Best Use: Formal reports, leadership communication, policies, and serious recommendations.
Worst Use: Friendly or casual messages.
Tone: Strong and authoritative.
6. Expediency
Meaning: The quality of being suitable or advantageous for achieving something quickly or efficiently.
Explanation: Expediency can relate to urgency, but it focuses more on practical or timely action than on emergency.
Example: The decision was made for the sake of expediency.
Best Use: Formal business and policy writing.
Worst Use: When you simply mean that something is urgent.
Tone: Formal.
7. Immediate Necessity
Meaning: A need that requires action without delay.
Explanation: This phrase combines necessity with immediacy, making the intended urgency very clear.
Example: The repairs have become an immediate necessity.
Best Use: Formal notices, reports, and professional communication.
Worst Use: Casual conversation, where simpler wording is usually better.
Tone: Formal and direct.
8. Critical Need
Meaning: A very important need that requires prompt attention.
Explanation: Critical need is stronger than ordinary need. It suggests that delaying action could create serious problems.
Example: The hospital reported a critical need for additional supplies.
Best Use: Business, healthcare, nonprofit, and public-service communication.
Worst Use: Minor situations where strong wording would exaggerate the issue.
Tone: Serious and professional.
9. Pressing Concern
Meaning: An issue that needs attention soon.
Explanation: This expression is especially useful when the urgent matter is a problem or issue rather than a specific task.
Example: Rising costs have become a pressing concern for the company.
Best Use: Reports, meetings, business communication, and public statements.
Worst Use: Simple instructions where urgent action would be clearer.
Tone: Professional and serious.
10. Compelling Need
Meaning: A strong reason or need that makes action difficult to postpone.
Explanation: Compelling need emphasizes the strength of the reason for action.
Example: There is a compelling need to update the outdated procedure.
Best Use: Formal arguments, proposals, reports, and academic writing.
Worst Use: Routine tasks that are not especially important.
Tone: Formal and persuasive.
11. Time Sensitivity
Meaning: The extent to which timing matters.
Explanation: Time sensitivity does not necessarily mean an emergency. It means that delaying something could reduce its value or cause a problem.
Example: Please consider the time sensitivity of this request.
Best Use: Business, project management, customer service, and professional emails.
Worst Use: Emergencies where a stronger expression is needed.
Tone: Professional and neutral.
12. Need for Prompt Action
Meaning: A situation in which action should happen quickly.
Explanation: This phrase clearly communicates urgency without sounding dramatic.
Example: The report highlights the need for prompt action.
Best Use: Formal emails, reports, recommendations, and workplace communication.
Worst Use: Casual messages where it may sound overly formal.
Tone: Professional and measured.
Semi-Formal and Neutral Alternatives
Priority
Meaning: Something that deserves attention before other things.
Explanation: Priority is related to urgency, but it emphasizes importance or order rather than speed.
Example: Resolving the customer issue should be our top priority.
Best Use: Workplace communication, project management, and everyday professional speech.
Worst Use: When something is urgent but not necessarily more important than everything else.
Tone: Neutral and professional.
Immediate Attention
Meaning: Attention that should be given without delay.
Example: This issue requires immediate attention.
Best Use: Emails, notices, customer service, and workplace communication.
Worst Use: Minor matters that do not genuinely require quick attention.
Tone: Direct and professional.
Time Pressure
Meaning: A situation in which there is limited time to complete something.
Example: We made the decision under considerable time pressure.
Best Use: Work, school, projects, and everyday explanations.
Worst Use: When urgency comes from danger rather than a deadline.
Tone: Neutral.
Deadline Pressure
Meaning: Pressure caused by an approaching deadline.
Example: The team is working under deadline pressure.
Best Use: Projects, school assignments, business, and workplace discussions.
Worst Use: Situations involving urgent problems unrelated to a deadline.
Tone: Neutral and practical.
Time Constraint
Meaning: A limit on the amount of time available.
Example: Because of the time constraint, we need a simpler solution.
Best Use: Business, academic, technical, and professional writing.
Worst Use: Emergency situations where the phrase may sound too mild.
Tone: Neutral and professional.
Need for Quick Action
Meaning: A situation that calls for action soon.
Example: The findings show a clear need for quick action.
Best Use: Reports, emails, meetings, and everyday professional communication.
Worst Use: Highly formal legal or academic documents where more precise wording may be preferable.
Tone: Neutral.
Promptness
Meaning: The quality of doing something quickly or without unnecessary delay.
Example: We appreciate your promptness in responding to the request.
Best Use: Professional emails and customer communication.
Worst Use: When describing a serious emergency.
Tone: Polite and professional.
Need for Immediate Action
Meaning: A requirement to act without delay.
Example: The safety issue creates a need for immediate action.
Best Use: Notices, reports, workplace messages, and serious communication.
Worst Use: Routine requests.
Tone: Strong and professional.
Importance
Meaning: The quality of being significant or valuable.
Explanation: Importance is not a direct synonym for urgency. Something can be very important without needing immediate action.
Example: The manager emphasized the importance of accurate records.
Best Use: General professional and academic writing.
Worst Use: When speed is the main point.
Tone: Neutral.
Pressure
Meaning: A force or circumstance that pushes someone to act.
Example: The team faced significant pressure to finish the project.
Best Use: Workplace and everyday communication.
Worst Use: When you need to state clearly that immediate action is required.
Tone: Neutral.
Need to Act Quickly
Meaning: A simple expression showing that action should happen soon.
Example: We need to act quickly if we want to meet the deadline.
Best Use: Emails, conversations, and straightforward instructions.
Worst Use: Highly formal academic writing.
Tone: Direct and conversational.
Informal and Casual Alternatives
Casual English usually does not have many single-word substitutes for urgency. Instead, speakers use short phrases.
Need to Act Fast
Meaning: Something needs to happen quickly.
Example: We need to act fast before the opportunity disappears.
Natural When: Talking with friends, coworkers, or people you know well.
Avoid When: Writing formal reports or academic papers.
Tone: Casual and direct.
Need to Hurry
Meaning: Someone should do something faster.
Example: We need to hurry or we’ll miss the bus.
Natural When: Everyday conversation.
Avoid When: Professional communication where a more precise explanation is needed.
Tone: Casual.
Rush
Meaning: A situation requiring unusually quick action.
Example: I’m in a rush to finish this before class.
Natural When: Everyday speech and informal messages.
Avoid When: Formal reports unless describing an actual rushed process.
Tone: Casual.
Time Crunch
Meaning: A situation where there is very little time available.
Example: We’re in a time crunch, so let’s focus on the most important tasks.
Natural When: Casual workplace conversation and everyday speech.
Avoid When: Formal academic or legal writing.
Tone: Informal.
Short on Time
Meaning: Having little time available.
Example: We’re short on time, so let’s keep the meeting brief.
Natural When: Conversations, chats, and informal workplace situations.
Avoid When: Very formal documents.
Tone: Casual to neutral.
True Synonyms vs. Contextual Alternatives
Not every word on a synonym list can replace urgency in every sentence. The distinction matters.
| Type | What It Means | Can It Replace the Original? |
|---|---|---|
| True synonym | Has nearly the same core meaning | Usually, depending on context |
| Near synonym | Shares much of the meaning but has a different emphasis | Sometimes |
| Contextual alternative | Works in a particular situation | Only in suitable contexts |
| Broader expression | Covers a wider idea | Sometimes, but meaning may change |
| Narrower expression | Refers to a more specific kind of urgency | Only when that specific meaning applies |
For example, immediacy is close to urgency because both can involve immediate action. Priority, however, focuses on importance rather than speed. Time constraint describes limited available time, while necessity describes something that must be done. These distinctions prevent awkward or misleading substitutions.
Industry-Specific Usage
Business Writing
Business writing often benefits from precise, calm language. Instead of repeatedly saying urgency, consider:
- Immediate attention
- Time sensitivity
- Pressing need
- Priority
- Need for prompt action
- Critical need
Example:
“Given the time sensitivity of the request, please review the proposal by Friday.”
This sounds professional without making the situation seem more dramatic than it is.
Corporate Communication
For internal announcements, reports, and policies, phrases such as pressing concern, critical need, and immediate action work well.
Example:
“The audit identified a pressing concern that requires management attention.”
Academic Writing
Academic writing generally favors precise terms such as:
- Immediacy
- Necessity
- Pressing need
- Time sensitivity
- Imperative
Example:
“The findings demonstrate the necessity of addressing the issue promptly.”
Avoid casual expressions such as time crunch or need to act fast in formal academic prose.
Customer Service
Customer service language should communicate importance without unnecessarily alarming the customer.
Good choices include:
- Immediate attention
- Prompt attention
- Need for quick action
- Time-sensitive request
Example:
“Your request has been marked for prompt attention.”
Legal Writing
Legal writing requires particular care because urgency, necessity, immediacy, and time sensitivity can carry different meanings depending on the document and legal context.
For general writing, immediate need, necessity, or prompt action may be appropriate. However, they should not be treated as automatically equivalent legal terms. Specific legal meaning can depend on the jurisdiction, statute, contract, or court procedure.
Email Communication
For professional emails, these are particularly useful:
- “requires immediate attention”
- “is time-sensitive”
- “requires prompt action”
- “is a pressing matter”
- “needs to be addressed promptly”
They are generally clearer than repeatedly writing urgent or urgently.
Email Examples
Here are several realistic ways to communicate urgency without overusing the same word.Time-Sensitive Request
Time-Sensitive Request
Hello James,
Could you please review the attached document by Thursday afternoon? The request is time-sensitive, and receiving your feedback by then will allow us to complete the next stage of the project on schedule.
Thank you,
AhmadImmediate Attention Required
Immediate Attention Required
Hello Sarah,
I wanted to flag an issue with the latest report that requires immediate attention. One section contains information that needs to be corrected before the report is shared with the client.
Please let me know once you have had a chance to review it.
Best,
AhmadRequest for Prompt Action
Request for Prompt Action
Hello Team,
The supplier has asked us to confirm the revised order details today. I would appreciate your prompt action so we can avoid delaying the shipment.
Please send any corrections by 3:00 p.m.
Thanks,
AhmadPressing Project Concern
Pressing Project Concern
Hello Maria,
I wanted to bring a pressing project concern to your attention. We are currently waiting for the final specifications, and the delay may affect the next phase of development.
Could you let me know when we can expect them?
Best regards,
AhmadCritical Need for Updated Information
Critical Need for Updated Information
Hello David,
We have identified a critical need for the updated figures before tomorrow’s meeting. Could you please confirm the latest numbers when you have a moment?
Your response will help us make sure the presentation is accurate.
Thank you,
Ahmad
Short Dialogue Examples
Workplace
Person A: Can we move this request to the top of the list?
Person B: Yes. It requires immediate attention because the client is waiting.
Classroom
Person A: Why are you finishing the assignment tonight?
Person B: There’s some deadline pressure. It’s due first thing tomorrow.
Customer Service
Person A: How soon can this issue be reviewed?
Person B: We’ll give it prompt attention and update you as soon as possible.
Casual Conversation
Person A: Should we leave now?
Person B: Yes, we’re short on time.
Professional Discussion
Person A: Do we need to make a decision today?
Person B: Yes. There’s a pressing need to resolve the issue before the next meeting.
How to Replace “Urgency” in a Sentence
1. Workplace
Original:
“We need to communicate the urgency of the situation.”
Alternative:
“We need to communicate the need for immediate action.”
Why it works: It makes the required response more explicit.
2. Business report
Original:
“The report emphasizes the urgency of the problem.”
Alternative:
“The report emphasizes the pressing nature of the problem.”
Why it works: The alternative sounds formal and focuses on the seriousness of the issue.
3. Email
Original:
“I want to stress the urgency of this request.”
Alternative:
“I want to highlight the time-sensitive nature of this request.”
Why it works: It sounds professional without being overly dramatic.
4. Academic writing
Original:
“The study highlights the urgency of addressing the issue.”
Alternative:
“The study highlights the necessity of addressing the issue promptly.”
Why it works: Necessity emphasizes the need for action, while promptly preserves the time element.
5. Customer service
Original:
“We understand the urgency of your request.”
Alternative:
“We understand that your request requires prompt attention.”
Why it works: It sounds reassuring and action-oriented.
6. Casual conversation
Original:
“There was a sense of urgency.”
Alternative:
“We needed to act fast.”
Why it works: The sentence becomes simpler and more natural in conversation.
7. Project management
Original:
“The urgency increased as the deadline approached.”
Alternative:
“Deadline pressure increased as the due date approached.”
Why it works: The replacement identifies the specific source of the pressure.
8. Formal report
Original:
“The urgency of the situation cannot be ignored.”
Alternative:
“The need for immediate action cannot be ignored.”
Why it works: The alternative clearly states what must happen.
Comparison Table
| Phrase | Tone | Meaning / Scope | Best Use | Example |
|---|---|---|---|---|
| Urgency | Neutral | Need for quick action | General use | The matter requires urgency. |
| Immediacy | Formal | Need for something to happen immediately | Reports | The issue requires immediacy. |
| Pressing need | Formal-neutral | Strong need for action | Business | There is a pressing need for change. |
| Necessity | Formal-neutral | Something that is required | Academic writing | The necessity of reform is clear. |
| Priority | Neutral | Importance relative to other matters | Work | This task is our top priority. |
| Time sensitivity | Professional | Timing significantly affects the matter | Emails | This is a time-sensitive request. |
| Time pressure | Neutral | Limited time creates pressure | Projects | We are working under time pressure. |
| Immediate attention | Professional | Attention is needed now | Customer service | The issue needs immediate attention. |
| Critical need | Strong/formal | Very important need | Serious situations | There is a critical need for support. |
| Promptness | Professional | Acting without unnecessary delay | Emails | Thank you for your promptness. |
| Rush | Casual | Need to move quickly | Conversation | I’m in a rush. |
| Time crunch | Informal | Very limited time | Casual speech | We’re in a time crunch. |
Which Alternative Should You Choose?
Do not replace a defined legal term with a general synonym simply for variety.
For professional email: Try requires prompt attention, time-sensitive, or requires immediate action.
For everyday conversation: need to act quickly, need to hurry, rush, and short on time sound more natural.
The key is to ask yourself: Am I emphasizing speed, importance, necessity, pressure, or a deadline? That answer usually tells you which alternative is best.
Grammar & Usage Guide
Is “urgency” a noun?
Yes. Urgency is a noun.
Example:
“The situation requires urgent attention because of its urgency.”
However, repeating urgent and urgency in the same sentence can sound awkward. A clearer version would be:
“The situation requires immediate attention.”
Urgency vs. urgent
Urgency is a noun:
- The urgency of the request is clear.
Urgent is an adjective:
- The request is urgent.
Urgently is an adverb:
- Please respond urgently.
Common prepositions
Natural combinations include:
- urgency of the situation
- urgency of the request
- sense of urgency
- act with urgency
- respond with urgency
- respond urgently
Examples:
“The urgency of the matter is clear.”
“The team responded with urgency.”
“A sense of urgency”
This is one of the most common expressions involving the word.
Example:
“The approaching deadline created a sense of urgency.”
It means people recognize that action needs to happen quickly.
“Urgency around”
You may see expressions such as “urgency around the issue,” especially in business writing. However, simpler wording is often clearer:
- “the urgency of the issue”
- “the need for immediate action”
Capitalization
Urgency is normally lowercase unless it begins a sentence or appears in a title.
Correct: The urgency of the matter is clear.
Title: Synonyms for Urgency
Common Mistakes to Avoid
1. Treating “priority” as an exact synonym
A priority is something important, but it does not necessarily require immediate action.
2. Using “necessity” when speed is the main idea
Necessity means something is needed. It does not automatically mean it must happen now.
3. Using casual expressions in formal writing
“Time crunch” may be natural in conversation but can sound too informal in an academic paper.
4. Overusing dramatic language
Calling every ordinary deadline a “critical need” can make professional communication sound exaggerated.
5. Confusing pressure with urgency
Pressure may motivate action, but it does not always mean immediate action is necessary.
6. Using “immediacy” incorrectly
Immediacy focuses on something happening or being relevant right away. It is not a universal replacement for every use of urgency.
7. Repeating “urgent” unnecessarily
If a paragraph uses urgent, urgently, and urgency several times, replace some repetitions with precise alternatives.
8. Ignoring the audience
A phrase that works in a company report may sound unnatural in a text message to a friend.
9. Choosing variety over precision
Do not replace a word simply to avoid repetition. If urgency is the most accurate word, keep it.
When Not to Use “Urgency”
There are situations where another expression communicates the idea more precisely.
1. When importance matters more than speed
Use priority or importance if the issue matters but does not require immediate action.
2. When a deadline is the real problem
Use deadline pressure or time constraint when limited time is specifically responsible for the situation.
3. When you want to make a request politely
Instead of “I need this urgently,” try:
“Could you please give this request prompt attention?”
4. When the audience needs a specific instruction
Rather than simply saying “This has urgency,” say:
“Please respond by 3 p.m.”
Specific instructions are often clearer.
5. When the situation is routine
Calling a normal task “urgent” can reduce the impact of genuinely urgent requests.
6. When the wording sounds too formal
In a casual conversation, “We need to act fast” may be much more natural than “The situation requires immediate action.”
7. When the meaning could be ambiguous
If you mean “we have only two hours,” say we have a two-hour deadline rather than simply describing the situation as urgent.
Advanced Writer Tips
Tone Control
Choose words based on the level of urgency you want to communicate.
- Mild: needs attention
- Moderate: requires prompt attention
- Strong: requires immediate action
- Very strong: critical need
This creates more controlled writing than repeatedly using urgent.
Professional Email Etiquette
Professional messages are usually clearer when they explain why something is urgent.
Instead of:
“Please do this urgently.”
Try:
“Could you please review this today? We need your feedback before the client meeting tomorrow.”
The second version gives the reader a reason and a clear timeframe.
Politeness
Urgency does not require rude or demanding language. Compare:
“Do this immediately.”
with:
“Could you please prioritize this today? We need the information before the meeting.”
The second version communicates urgency while remaining respectful.
Context Alignment
Think about the source of the urgency:
- Deadline → deadline pressure
- Limited time → time constraint
- Importance → priority
- Immediate action → immediacy
- Strong need → pressing need
- Serious requirement → critical need
Readability
Simple wording is often stronger:
Less clear:
“The urgency surrounding the necessity of immediate action is considerable.”
Clearer:
“We need to act immediately.”
Good writing is not about using the most complicated synonym. It is about choosing the clearest accurate expression.
Related Questions
What is another way to say urgency?
Depending on context, you can say immediacy, pressing need, need for immediate action, time sensitivity, promptness, or critical need. The best choice depends on whether you want to emphasize speed, necessity, importance, or limited time.
What is a professional alternative to urgency?
Time sensitivity, immediate attention, pressing need, and need for prompt action are useful professional alternatives. For business emails, “requires prompt attention” is often especially natural.
What is a formal alternative to urgency?
Immediacy, exigency, imperative, necessity, and pressing need can work in formal contexts. However, each emphasizes a slightly different idea.
What can I use instead of “urgent”?
Try time-sensitive, pressing, immediate, critical, or requiring prompt attention. Choose the word according to how serious and time-dependent the situation actually is.
Is “urgency” a formal word?
Urgency is a standard neutral word that works in both everyday and professional English. It is not excessively formal, although alternatives such as exigency are considerably more formal.
Can “priority” replace “urgency”?
Sometimes, but not always. Priority emphasizes importance or order, while urgency emphasizes the need for quick action. A high-priority task does not necessarily need to be completed immediately.
What is the difference between urgency and immediacy?
Urgency describes the need for prompt action. Immediacy emphasizes something happening or needing attention right away. They overlap, but immediacy is more specifically connected to the idea of “now.”
FAQs
What is the closest synonym for urgency?
Immediacy is one of the closest formal alternatives, especially when the main idea is that something requires attention right away. Pressing need is another strong choice when the emphasis is on the need for action.
What is a polite way to say something is urgent?
Try “This requires prompt attention” or “This is a time-sensitive request.” These phrases communicate importance without sounding unnecessarily demanding.
Is “pressing” the same as “urgent”?
They are close but not identical. Pressing means requiring attention or action soon, while urgent more directly communicates a need for immediate or rapid action.
Is “immediacy” stronger than “urgency”?
Not necessarily. Immediacy focuses on how soon something needs to happen, while urgency focuses on the pressure or need for rapid action. The appropriate word depends on context.
What is a good synonym for urgency in an email?
Requires prompt attention, time-sensitive, and requires immediate action are useful choices. They are clearer when paired with a specific deadline or reason.
Can “necessity” mean urgency?
Only partly. Necessity means that something is required, while urgency means that something needs to happen quickly. They overlap when something is both necessary and time-sensitive.
How can I express urgency without sounding rude?
Explain the reason and deadline instead of simply demanding immediate action. For example, “Could you please review this today? We need to submit the final version tomorrow” is clear, polite, and specific.
Key Takeaways
- Urgency refers to the need for quick or immediate action.
- Immediacy is useful when the focus is on something happening right away.
- Priority emphasizes importance, not necessarily speed.
- Time sensitivity and deadline pressure are better when limited time is the main issue.
- The best alternative is the one that preserves the original meaning, tone, and level of urgency.
Conclusion
Choosing the right synonym for urgency is less about finding a replacement word and more about identifying the exact meaning you want to communicate. If you mean that something must happen now, immediacy or need for immediate action may be best. If you are emphasizing a strong need, pressing need or critical need can work. For business emails, time-sensitive, prompt attention, and priority often sound clear and professional.
Remember that related words are not automatically interchangeable. Necessity focuses on what is required, priority focuses on importance, and time constraint focuses on limited time. Casual phrases such as need to act fast and time crunch are natural in conversation but usually less suitable for formal writing.
The strongest choice is therefore the most precise one. Match the word to your audience, purpose, tone, and actual level of urgency rather than choosing a synonym simply for variety.