The word slang refers to informal words and expressions that are commonly used by particular groups, communities, age groups, or cultures. People often search for alternatives to slang when they want a more precise term for informal language, regional expressions, trendy vocabulary, or specialized speech.
Choosing the right alternative matters because words such as jargon, colloquialism, vernacular, and idiom are related to slang but do not mean exactly the same thing. This guide explains the differences, shows formal and casual alternatives, and provides examples for academic writing, business communication, everyday conversation, and other situations.
Quick Answer
Common alternatives to slang include colloquial language, informal language, colloquialisms, vernacular, informal expressions, casual speech, everyday language, idiomatic language, jargon, lingo, and informal terminology. The best choice depends on whether you mean casual speech, group-specific vocabulary, regional language, or specialized terminology.
Quick List: Alternatives to Slang
Closest alternatives
- Informal language
- Informal expressions
- Colloquial language
- Colloquialisms
- Casual language
- Casual speech
- Everyday language
- Informal speech
Formal alternatives
- Colloquial expression
- Vernacular
- Nonstandard language
- Informal terminology
- Popular expression
- Conversational language
- Familiar expression
Group- or field-specific alternatives
- Jargon
- Lingo
- Terminology
- Technical language
- Specialized vocabulary
- Group-specific language
- Professional terminology
Regional or cultural alternatives
- Regional expression
- Local expression
- Dialectal expression
- Regional vocabulary
- Community language
- Cultural expression
Not all of these are exact synonyms. Jargon, for example, usually refers to specialized vocabulary associated with a profession or group, while slang is typically informal and often carries a strong sense of social or cultural identity.
Formal Alternatives to Slang
1. Colloquial Language
Meaning: Informal language commonly used in ordinary conversation.
Explanation: This is one of the closest formal terms for slang, but it is broader. Not every colloquial expression is slang.
Example: “The article uses colloquial language to sound more conversational.”
Best Use: Academic writing, language analysis, and editorial discussion.
Worst Use: When discussing highly specialized professional vocabulary.
Tone: Formal and neutral.
2. Colloquialism
Meaning: An informal word or expression used in everyday conversation.
Explanation: Colloquialism is often the most precise choice when referring to one informal expression.
Example: “The writer includes several colloquialisms to reflect natural speech.”
Best Use: Essays, linguistics, literary analysis, and professional writing.
Worst Use: When the expression is specifically technical jargon.
Tone: Formal and analytical.
3. Informal Language
Meaning: Language used in relaxed or familiar situations rather than formal settings.
Explanation: This is a broad and safe alternative to slang. It includes slang but also includes ordinary conversational wording that is not necessarily slang.
Example: “The message uses informal language because it was written for close friends.”
Best Use: General explanations, education, and professional writing.
Worst Use: When you specifically need to identify a particular type of group vocabulary.
Tone: Neutral and clear.
4. Informal Expressions
Meaning: Words or phrases that are more suitable for relaxed communication.
Explanation: This phrase is useful when discussing individual examples rather than slang as a whole.
Example: “The teacher explained several informal expressions used by teenagers.”
Best Use: Educational writing and language instruction.
Worst Use: When discussing technical terminology.
Tone: Neutral.
5. Conversational Language
Meaning: Language that resembles ordinary spoken conversation.
Explanation: It emphasizes a conversational style rather than social identity. Some conversational language is slang, but much of it is not.
Example: “The author uses conversational language to make the article approachable.”
Best Use: Writing advice, content writing, and literary analysis.
Worst Use: When the focus is specifically on youth or subculture slang.
Tone: Neutral and professional.
6. Vernacular
Meaning: The language or variety commonly spoken by ordinary people in a particular place or community.
Explanation: Vernacular can overlap with slang but is broader. It can refer to everyday language associated with a region or community.
Example: “The novel captures the local vernacular of the region.”
Best Use: Linguistics, literature, cultural studies, and academic writing.
Worst Use: As a direct replacement for every instance of slang.
Tone: Formal and academic.
7. Nonstandard Language
Meaning: Language that does not follow the standard form expected in formal or institutional settings.
Explanation: This term can include slang, dialect features, and other forms of language outside the standard variety.
Example: “The character’s dialogue contains several forms of nonstandard language.”
Best Use: Linguistic analysis.
Worst Use: Everyday conversation, where it may sound overly technical.
Tone: Technical and formal.
8. Familiar Language
Meaning: Language associated with friendly, relaxed, or familiar communication.
Explanation: It describes tone more than vocabulary type.
Example: “The letter uses familiar language to create a friendly relationship with readers.”
Best Use: Writing analysis and communication advice.
Worst Use: When identifying a specific slang term.
Tone: Neutral.
9. Casual Speech
Meaning: Relaxed spoken language used in ordinary social situations.
Explanation: This phrase is useful when the focus is on speech rather than individual words.
Example: “The expression is common in casual speech.”
Best Use: Language education and everyday explanations.
Worst Use: Formal linguistic classification.
Tone: Neutral.
10. Informal Terminology
Meaning: Terms or expressions commonly used in less formal settings.
Explanation: It works when the vocabulary has a recognizable meaning within a particular context but is not suitable for formal writing.
Example: “The report avoids informal terminology and uses standard technical terms.”
Best Use: Professional and educational writing.
Worst Use: Highly casual conversation.
Tone: Formal.
11. Popular Expression
Meaning: A phrase or expression widely used by people in a particular community or period.
Explanation: This can describe popular slang but does not necessarily imply that the expression is slang.
Example: “The phrase became a popular expression among younger speakers.”
Best Use: Cultural and language discussions.
Worst Use: Technical vocabulary.
Tone: Neutral.
12. Regional Expression
Meaning: A word or phrase associated with a particular geographic area.
Explanation: A regional expression may be slang, but regionality and informality are separate features.
Example: “The writer uses regional expressions to reflect the local setting.”
Best Use: Dialect, culture, literature, and travel writing.
Worst Use: National or globally widespread slang.
Tone: Neutral and descriptive.
Semi-Formal and Neutral Alternatives
Everyday Language
Meaning: Language people commonly use in ordinary life.
Explanation: This is broader than slang and can include perfectly standard vocabulary.
Example: “The guide explains the concept in everyday language.”
Best Use: Websites, educational content, and public communication.
Worst Use: When discussing highly specific slang terms.
Tone: Friendly and accessible.
Casual Language
Meaning: Relaxed language used outside formal situations.
Explanation: This is a useful general alternative when you want to avoid the narrower meaning of slang.
Example: “The post uses casual language to connect with its audience.”
Best Use: Blogs, social media, and everyday communication.
Worst Use: Formal academic analysis where a precise linguistic term is needed.
Tone: Neutral.
Informal Speech
Meaning: Spoken language used in relaxed social situations.
Explanation: It focuses on speech rather than written language.
Example: “This phrase is common in informal speech.”
Best Use: Language lessons and conversation analysis.
Worst Use: When discussing written slang specifically.
Tone: Neutral.
Familiar Expression
Meaning: A phrase that sounds natural and recognizable in ordinary communication.
Explanation: It can describe informal expressions without necessarily labeling them as slang.
Example: “The writer uses a familiar expression instead of a technical term.”
Best Use: General writing.
Worst Use: When discussing strongly group-specific slang.
Tone: Neutral.
Idiomatic Expression
Meaning: A phrase whose meaning may not be obvious from the individual words.
Explanation: Idioms and slang can overlap, but they are not the same category. An idiom is defined by its figurative or fixed meaning, while slang is mainly associated with informality and social usage.
Example: “The phrase is an idiomatic expression rather than a technical term.”
Best Use: Language education.
Worst Use: As a universal synonym for slang.
Tone: Educational and neutral.
Lingo
Meaning: Vocabulary associated with a particular group, activity, or community.
Explanation: Lingo is informal itself and can refer to slang, jargon, or specialized vocabulary.
Example: “It took me a while to understand the gaming lingo.”
Best Use: Casual discussions.
Worst Use: Formal academic papers.
Tone: Informal.
Jargon
Meaning: Specialized vocabulary used by a particular profession, field, or group.
Explanation: Jargon is often confused with slang. A doctor, programmer, or lawyer may use jargon that is technical rather than slang.
Example: “The manual contains technical jargon that beginners may not understand.”
Best Use: Professional, technical, and language discussions.
Worst Use: When the words are simply informal social expressions.
Tone: Neutral to formal.
Specialized Vocabulary
Meaning: Words associated with a particular subject, profession, or field.
Explanation: This is broader and more neutral than jargon.
Example: “The course introduces students to specialized vocabulary used in economics.”
Best Use: Academic and professional writing.
Worst Use: Casual slang.
Tone: Formal and neutral.
Informal and Casual Alternatives
Lingo
Meaning: The particular words used by a group.
Example: “I don’t know all the gaming lingo yet.”
Natural when: Talking about hobbies, communities, or group vocabulary.
Avoid when: Writing a formal academic paper.
Tone: Casual.
Talk
Meaning: An informal way to refer to the way people communicate.
Example: “That’s just the kind of talk people use around here.”
Natural when: Casual conversation.
Avoid when: You need a precise linguistic term.
Tone: Very informal.
Street Talk
Meaning: Informal language associated with everyday social or street environments.
Example: “The movie’s dialogue reflects the street talk of its setting.”
Natural when: Discussing a particular cultural or fictional context.
Avoid when: You are using it as a universal label for all slang.
Tone: Informal.
Casual Talk
Meaning: Relaxed conversation.
Example: “It’s common in casual talk but unusual in formal writing.”
Natural when: Everyday explanations.
Avoid when: Technical linguistic classification is required.
Tone: Casual.
Group Talk
Meaning: Informal language shared by members of a particular group.
Example: “The club has its own group talk and inside expressions.”
Natural when: Explaining community-specific communication.
Avoid when: Writing a formal linguistic definition.
Tone: Informal.
True Synonyms vs. Contextual Alternatives
The biggest mistake is treating every related term as interchangeable with slang.
| Type | What It Means | Can It Replace “Slang”? |
|---|---|---|
| True synonym | A term with essentially the same meaning in the same context | Sometimes |
| Near synonym | A closely related term with a different emphasis | Sometimes |
| Contextual alternative | A phrase appropriate only in certain situations | Only in that context |
| Broader expression | Covers slang plus other forms of language | Yes, when broader meaning is intended |
| Narrower expression | Refers to one specific type of informal language | Only for that specific type |
The key distinctions
Slang vs. colloquialism: Slang is generally more strongly associated with informal group or social usage. Colloquialisms are ordinary informal expressions and do not have to be slang.
- Slang vs. jargon: Jargon is specialized vocabulary used by a particular profession or field. It may be formal, technical, or neutral rather than casual.
2. Slang vs. dialect: A dialect is a broader language variety associated with a region or social group. Slang is only one possible part of it.
Industry-Specific Usage
Business Writing
Business documents usually benefit from informal language, conversational language, or colloquial expressions when discussing style.
Example:
“The article should avoid excessive slang and use clear, professional language.”
If you mean specialized business vocabulary, jargon or business terminology may be more accurate.
Corporate Communication
Corporate communication often needs to distinguish between informal expressions and specialized terminology.
Example:
“The announcement uses plain language instead of industry jargon.”
This sentence is more precise than calling all specialized workplace vocabulary “slang.”
Academic Writing
Academic writing generally favors precise terms such as:
- Colloquialism
- Informal language
- Vernacular
- Nonstandard language
- Specialized vocabulary
- Jargon
Example:
“The author uses colloquial expressions to create a realistic conversational voice.”
That is usually more precise than simply saying:
“The author uses slang.”
Customer Service
Customer-facing communication should usually avoid unnecessary slang because readers may interpret informal expressions differently.
Instead of:
“No worries, we’ll sort it out.”
A more broadly suitable version might be:
“No problem. We’ll help resolve the issue.”
The appropriate choice depends on the brand’s voice and audience.
Legal Writing
Legal writing requires precision. Slang, jargon, colloquialism, and vernacular should not be treated as legal equivalents.
A legal document may refer to informal terminology or colloquial language when describing language in evidence or communications, but the exact wording should reflect the legal purpose.
Email Communication
Professional emails generally work best with clear, standard language.
Useful alternatives when discussing informal wording include:
- Informal language
- Colloquial language
- Casual wording
- Conversational language
- Colloquial expressions
For example:
“Could you revise the message to remove informal expressions?”
This is more precise than saying:
“Remove the slang.”
if the message contains casual wording that is not technically slang.
Email Examples
1. Client Communication
Subject: Revised Client CopyRevised Client Copy
Revised Client Copy
Hello,
I’ve reviewed the draft and removed several colloquial expressions to give the message a more professional tone.
The revised version is attached for your review.
Best regards,
[Name]
2. Project Update
Subject: Updated Style GuidelinesUpdated Style Guidelines
Updated Style Guidelines
Hi Team,
I’ve updated the writing guidelines to recommend conversational language where appropriate while avoiding slang that may be unclear to international readers.
Please use the revised guidelines for future content.
Thanks,
[Name]
3. Academic Communication
Subject: Question About Language AnalysisQuestion About Language Analysis
Question About Language Analysis
Dear Professor,
For my assignment, I plan to describe the expressions in the dialogue as colloquialisms rather than slang because some of them are informal but not strongly associated with a particular social group.
Thank you for your guidance.
Best,
[Name]
4. Customer Service
Subject: Updated Customer MessageUpdated Customer Message
Updated Customer Message
Hello,
I’ve revised the customer message to replace casual language with clearer wording. This should make the instructions easier for a broader audience to understand.
Please let me know if you’d like any further changes.
Kind regards,
[Name]
5. Internal Workplace Email
Subject: Terminology in the ReportTerminology in the Report
Terminology in the Report
Hi,
I noticed that the report uses several industry-specific terms. I suggest describing these as specialized vocabulary rather than slang because they are technical terms used within the field.
Best,
[Name]
Short Dialogue Examples
Workplace
Person A: Should we call these terms slang?
Person B: Not exactly. They’re industry jargon because they’re specific to our field.
Classroom
Person A: Is this phrase slang?
Person B: It may be better described as a colloquialism because people use it in ordinary conversation.
Customer Service
Person A: Can we use casual expressions in this reply?
Person B: Yes, but let’s keep the wording clear and avoid slang that customers may not understand.
Casual Conversation
Person A: What’s that word everyone keeps using?
Person B: It’s new slang that’s become popular recently.
Professional Discussion
Person A: Why does the article sound so informal?
Person B: The writer uses conversational language and several colloquial expressions.
How to Replace “Slang” in a Sentence
Example 1
Original: The article contains a lot of slang.
Alternative: The article contains a lot of informal language.
Why it works: Informal language is broader and works when the exact type of informal wording is not important.
Example 2
Original: The author uses slang in the dialogue.
Alternative: The author uses colloquial expressions in the dialogue.
Why it works: This is useful in literary or academic analysis when the expressions sound like natural conversation.
Example 3
Original: The industry has its own slang.
Alternative: The industry has its own jargon.
Why it works: Jargon is more precise when referring to specialized professional vocabulary.
Example 4
Original: The character speaks using local slang.
Alternative: The character uses regional expressions.
Why it works: The replacement emphasizes the regional nature of the vocabulary.
Example 5
Original: Avoid slang in the report.
Alternative: Avoid informal language in the report.
Why it works: The second version gives a broader instruction and is often more suitable for professional writing.
Example 6
Original: Teenagers use a lot of slang online.
Alternative: Teenagers use a lot of casual language online.
Why it works: The meaning becomes broader and less specific. It may include ordinary informal wording, not only slang.
Example 7
Original: The novel captures the slang of the neighborhood.
Alternative: The novel captures the local vernacular of the neighborhood.
Why it works: Vernacular emphasizes the language variety associated with the local community.
Example 8
Original: The website uses slang to appeal to younger readers.
Alternative: The website uses conversational language to appeal to younger readers.
Why it works: This focuses on the friendly, approachable style without claiming that every expression is slang.
Comparison Table
| Phrase | Tone | Meaning / Scope | Best Use | Example |
|---|---|---|---|---|
| Slang | Informal | Group-associated informal language | Social language | The character uses slang. |
| Colloquialism | Formal/neutral | Informal everyday expression | Academic analysis | The phrase is a colloquialism. |
| Informal language | Neutral | Language used in relaxed contexts | General writing | Avoid informal language here. |
| Conversational language | Neutral | Language resembling natural speech | Websites/content | The page uses conversational language. |
| Vernacular | Formal | Language associated with a place/community | Linguistics/literature | The novel reflects local vernacular. |
| Jargon | Neutral/formal | Specialized group or professional vocabulary | Business/technical writing | The report contains technical jargon. |
| Lingo | Informal | Group-specific vocabulary | Casual discussion | Gaming lingo can be confusing. |
| Dialect | Formal/neutral | Broader language variety | Linguistics | The character speaks in a regional dialect. |
| Idiom | Neutral | Fixed expression, often figurative | Language education | “Break the ice” is an idiom. |
| Casual language | Neutral | Relaxed communication | Everyday writing | The post uses casual language. |
| Specialized vocabulary | Formal | Field-specific terminology | Academic/professional | The course introduces specialized vocabulary. |
| Regional expression | Neutral | Expression associated with a location | Culture/literature | The story includes regional expressions. |
Grammar & Usage Guide
“Slang” Is Usually a Mass Noun
In standard English, slang is generally treated as an uncountable or mass noun.
Natural:
“There is a lot of slang in the conversation.”
Natural:
“She uses slang frequently.”
The plural slangs is uncommon when referring generally to informal vocabulary.
“A Slang Word” vs. “A Slang Term”
Although slang is generally uncountable, you can refer to an individual item as:
- A slang word
- A slang term
- A slang expression
- A piece of slang
Example:
“That is a slang term used by the group.”
“Slang” as a Modifier
Slang can modify another noun.
Examples:
- Slang word
- Slang expression
- Slang term
- Slang dictionary
Usually, you do not need an apostrophe.
Correct:
“slang expression”
Usually incorrect:
“slang’s expression”
Slang vs. Slangy
Slangy is an informal adjective meaning that something contains or resembles slang.
Example:
“The dialogue sounds slangy.”
For professional or academic writing, informal or colloquial is often more appropriate.
Capitalization
The word slang is normally lowercase.
Correct:
“The article discusses slang.”
Capitalize it only when it begins a sentence or appears in a proper name or title requiring capitalization.
Common Mistakes to Avoid
1. Calling All Informal Language Slang
Not every casual expression is slang. Informal language is a broader category.
2. Confusing Slang With Jargon
Jargon is specialized vocabulary. Slang is generally informal and socially marked.
3. Confusing Slang With Dialect
A dialect includes a broader system of vocabulary, grammar, pronunciation, and usage. Slang is only one type of informal vocabulary.
4. Calling Every Idiom Slang
An idiom can be completely standard and still have a figurative meaning.
5. Using “Vernacular” as an Exact Substitute
Vernacular can refer to everyday or regional language, but it does not necessarily imply slang.
6. Using “Slangs” as the Normal Plural
When referring generally to informal vocabulary, slang is normally the preferred form.
7. Using “Lingo” in Academic Writing
Lingo is understandable but informal. Specialized vocabulary or terminology is often better for formal work.
8. Assuming Slang Is Always Incorrect
Slang is not inherently bad English. It can be effective when the audience, purpose, and setting make it appropriate.
When Not to Use “Slang”
1. When You Mean Professional Vocabulary
Use jargon, terminology, or specialized vocabulary.
2. When You Mean Ordinary Informal Speech
Use colloquial language or informal language.
3. When You Mean a Regional Language Variety
Use dialect, regional language, or vernacular, depending on the context.
4. When You Mean a Figurative Fixed Phrase
Use idiom if that is the actual linguistic feature.
5. When Writing a Formal Analysis
A specific term such as colloquialism may communicate your meaning more precisely than slang.
6. When the Audience May Not Know the Term
In general-audience writing, simply saying informal language may be clearer.
7. When “Slang” Is the Better Choice
Keep slang when you are specifically discussing informal vocabulary associated with a particular social group, culture, generation, subculture, or period.
Advanced Writer Tips
Tone Control
For formal writing, replace vague references to slang with precise terms such as colloquialism, informal language, or specialized vocabulary.
For a casual tone, slang and lingo are often perfectly natural.
Professional Email Etiquette
Do not remove every informal expression simply because an email is professional. Friendly language can make communication warmer. The goal is appropriate language, not unnecessarily stiff writing.
Politeness
Informal expressions can create friendliness, but slang may also confuse people outside the relevant group. Use familiar wording when clarity matters.
Context Alignment
Think about three things:
- Who will read the message?
- Where will they read it?
- What kind of language are you actually describing?
Those answers will often tell you whether slang, colloquialism, jargon, or vernacular is the right term.
Precision
If you are writing about language academically, identify the feature accurately. A technical term is not automatically slang, and an informal expression is not automatically an idiom.
Readability
When explaining slang to a general audience, informal language is often easier to understand than specialized linguistic terminology.
Related Questions
What is another way to say “slang”?
Common alternatives include informal language, colloquial language, colloquialisms, casual language, conversational language, vernacular, and lingo. The correct choice depends on the exact type of language being described.
What is a professional alternative to “slang”?
Informal language, colloquial language, colloquial expressions, or informal terminology are useful professional alternatives.
What is a formal alternative to “slang”?
Colloquialism is one of the closest formal terms for an informal expression. Vernacular and nonstandard language can also work in specific linguistic contexts.
What can I use instead of “slang” in an essay?
Use colloquial language, colloquial expressions, informal language, or vernacular when appropriate. The best choice depends on what the examples actually represent.
Is “slang” formal?
No. Slang describes informal vocabulary, but the word itself is perfectly acceptable in formal writing when discussing slang as a linguistic phenomenon.
Can I use “jargon” instead of “slang”?
Only when the language is specialized vocabulary used by a profession, field, or group. Jargon and slang overlap in some communities but are not interchangeable.
What is the difference between slang and colloquialism?
Slang generally refers to informal vocabulary strongly associated with social groups or communities. A colloquialism is an informal expression used in ordinary conversation and does not necessarily have a special group association.
FAQs
1. What is the closest synonym for slang?
Colloquial language and informal language are among the closest alternatives, but neither is perfectly identical. Informal language is broader, while colloquial language emphasizes ordinary conversation.
2. Is “colloquialism” the same as slang?
Not exactly. A colloquialism is an informal expression used in everyday speech. Slang usually has a stronger connection to particular social groups, cultures, generations, or subcultures.
3. Is “jargon” another word for slang?
No. Jargon refers mainly to specialized vocabulary used by a particular profession, field, or group. It can be difficult for outsiders to understand, but it does not have to be informal.
4. Is “vernacular” a synonym for slang?
Only in certain contexts. Vernacular refers to the ordinary language or language variety used by people in a particular community or region. It is much broader than slang.
5. What is the best word for slang in academic writing?
Colloquialism, informal language, or vernacular may work, depending on the subject. Academic writers should identify the exact linguistic feature rather than automatically labeling everything slang.
6. What is the opposite of slang?
There is no single perfect opposite. Depending on the context, possible contrasts include formal language, standard language, formal terminology, or standard vocabulary.
7. Is slang grammatically incorrect?
Not necessarily. Slang follows patterns and can be perfectly understandable within the community that uses it. It may simply be inappropriate for certain formal contexts.
Key Takeaways
- Informal language is a broad and safe alternative when you do not need a narrow linguistic label.
- Colloquialism is useful for individual informal expressions used in ordinary conversation.
- Jargon describes specialized vocabulary, not slang in general.
- Vernacular and dialect are broader concepts that can include slang but should not automatically replace it.
- Choose the term based on the language’s purpose, audience, social group, region, and level of formality.