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Dialect vs. Slang — What's the Difference?

By Urooj Arif & Maham Liaqat — Updated on May 8, 2024
A dialect is a variation of a language with distinct grammar and vocabulary used by a particular group, while slang is informal language specific to a community or era, often adding a colorful twist to everyday speech.
Dialect vs. Slang — What's the Difference?

Difference Between Dialect and Slang

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Key Differences

A dialect is a regional or social variant of a language, characterized by unique vocabulary, pronunciation, and grammar. Slang, on the other hand, comprises informal words or phrases used within a specific group, often to convey familiarity or humor.
Dialects represent broader linguistic systems within a language, sometimes mutually unintelligible with other dialects. Slang, however, is understood within the same language but may be confusing or inappropriate in formal settings.
Dialects often have historical roots, reflecting the cultural and geographical influences of a region. Conversely, slang is dynamic, quickly evolving with changing trends and often used to signify membership in specific social groups.
Dialects can encompass various linguistic aspects, including formal speech. Slang is intentionally informal and more likely to be used in casual or playful conversations.

Comparison Chart

Scope

Regional/social variant of a language
Informal words/phrases within a language
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Formality

Can include formal and informal usage
Intentionally informal

Evolution

Changes slowly, influenced by history/culture
Evolves rapidly with trends

Usage

Used across a broad region or community
Specific to subcultures or particular settings

Linguistic Elements

Vocabulary, pronunciation, grammar
Specific words or expressions

Compare with Definitions

Dialect

A regional variation of a language with unique vocabulary and grammar.
The Southern dialect in the U.S. has distinctive expressions like y'all.

Slang

Terms that are continually evolving with new trends.
Social media often gives rise to new slang expressions.

Dialect

A social variety of a language spoken by a specific group.
The academic dialect is marked by technical terminology.

Slang

Informal language typically used by a specific group.
Teenagers often use slang words like lit or fire.

Dialect

A linguistic variation influenced by history and culture.
The dialect spoken in Quebec has influences from 17th-century French.

Slang

A linguistic tool that provides playfulness or intimacy.
Slang helps friends communicate in a relaxed, casual way.

Dialect

A form of speech sometimes unintelligible to speakers of other dialects.
The Cockney dialect is known for its rhyming slang.

Slang

Words and phrases that are trendy or associated with a particular era.
The slang of the 1960s introduced words like groovy.

Dialect

A branch of a language system that persists over time.
The Scots dialect preserves elements of Old English.

Slang

Informal terms that may not be recognized in formal speech.
Many slang words don't appear in official dictionaries.

Dialect

The term dialect (from Latin dialectus, dialectos, from the Ancient Greek word διάλεκτος, diálektos 'discourse', from διά, diá 'through' and λέγω, légō 'I speak') can refer to either of two distinctly different types of linguistic phenomena: a variety of a language that is characteristic of a particular group of the language's speakers. Under this definition, the dialects or varieties of a particular language are closely related and are often mutually intelligible, especially if close to one another on the dialect continuum.

Slang

Slang is language (words, phrases, and usages) of an informal register. It also sometimes refers to the language generally exclusive to the members of particular in-groups prefer over the common vocabulary of a standard language in order to establish group identity, exclude outsiders, or both.

Dialect

A particular form of a language which is peculiar to a specific region or social group
The Lancashire dialect seemed like a foreign language

Slang

A kind of language occurring chiefly in casual and playful speech, made up typically of coinages and figures of speech that are deliberately used in place of standard terms for added raciness, humor, irreverence, or other effect.

Dialect

A regional or social variety of a language distinguished by pronunciation, grammar, or vocabulary, especially a variety of speech differing from the standard literary language or speech pattern of the culture in which it exists
Cockney is a dialect of English.

Slang

Language peculiar to a group; argot or jargon
Thieves' slang.

Dialect

A variety of language that with other varieties constitutes a single language of which no single variety is standard
The dialects of Ancient Greek.

Slang

To use slang.

Dialect

The language peculiar to the members of a group, especially in an occupation; jargon
The dialect of science.

Slang

To use angry and abusive language
Persuaded the parties to quit slanging and come to the bargaining table.

Dialect

The manner or style of expressing oneself in language or the arts.

Slang

To attack with abusive language; vituperate
"They slanged each other with every foul name they had learned from the age of three" (Virginia Henley).

Dialect

A language considered as part of a larger family of languages or a linguistic branch. Not in scientific use
Spanish and French are Romance dialects.

Slang

Language outside of conventional usage and in the informal register.

Dialect

A lect (often a regional or minority language) as part of a group or family of languages, especially if they are viewed as a single language, or if contrasted with a standardized idiom that is considered the 'true' form of the language (for example, Cantonese as contrasted with Mandarin Chinese or Bavarian as contrasted with Standard German).

Slang

Language that is unique to a particular profession or subject; jargon.

Dialect

A variety of a language that is characteristic of a particular area, community, or social group, differing from other varieties of the same language in relatively minor ways as regards grammar, phonology, and lexicon.

Slang

The specialized language of a social group, sometimes used to conceal one's meaning from outsiders; cant.

Dialect

(pejorative) Language that is perceived as substandard or wrong.

Slang

(countable) A particular variety of slang; the slang used by a particular group.

Dialect

A language existing only in an oral or non-standardized form, especially a language spoken in a developing country or an isolated region.

Slang

(countable) An item of slang; a slang word or expression.

Dialect

A variant of a non-standardized programming language.
Home computers in the 1980s had many incompatible dialects of BASIC.

Slang

(India) A curse word.

Dialect

(ornithology) A variant form of the vocalizations of a bird species restricted to a certain area or population.

Slang

Any long, narrow piece of land; a promontory.

Dialect

Means or mode of expressing thoughts; language; tongue; form of speech.
This book is writ in such a dialectAs may the minds of listless men affect.Bunyan.The universal dialect of the world.

Slang

A fetter worn on the leg by a convict.

Dialect

The form of speech of a limited region or people, as distinguished from ether forms nearly related to it; a variety or subdivision of a language; speech characterized by local peculiarities or specific circumstances; as, the Ionic and Attic were dialects of Greece; the Yorkshire dialect; the dialect of the learned.
In the midst of this Babel of dialects there suddenly appeared a standard English language.
[Charles V.] could address his subjects from every quarter in their native dialect.

Slang

A counterfeit weight or measure.

Dialect

The usage or vocabulary that is characteristic of a specific group of people;
The immigrants spoke an odd dialect of English
He has a strong German accent

Slang

A travelling show, or one of its performances.

Slang

A hawker's license.

Slang

A watchchain.

Slang

To vocally abuse, or shout at.

Slang

To sell especially illegal drugs.

Slang

Any long, narrow piece of land; a promontory.

Slang

A fetter worn on the leg by a convict.

Slang

Low, vulgar, unauthorized language; a popular but unauthorized word, phrase, or mode of expression; also, the jargon of some particular calling or class in society; low popular cant; as, the slang of the theater, of college, of sailors, etc.

Slang

To address with slang or ribaldry; to insult with vulgar language.
Every gentleman abused by a cabman or slanged by a bargee was bound there and then to take off his coat and challenge him to fisticuffs.

Slang

Informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar;
Their speech was full of slang expressions

Slang

A characteristic language of a particular group (as among thieves);
They don't speak our lingo

Slang

Use slang or vulgar language

Slang

Fool or hoax;
The immigrant was duped because he trusted everyone
You can't fool me!

Slang

Abuse with coarse language

Common Curiosities

Is slang appropriate in formal writing?

Usually not, since slang is often considered too casual.

Can a dialect include slang words?

Yes, a dialect may incorporate slang specific to that region or group.

Is there a "correct" dialect to use?

No, the appropriateness of a dialect depends on the context and audience.

Can dialects differ in grammar as well as vocabulary?

Yes, dialects often have unique grammar rules.

Are dialects mutually intelligible?

Sometimes they are, but in other cases, they can be very different.

Is slang considered a dialect?

No, slang is informal language, whereas a dialect is a broader linguistic variation.

Are dialects always regional?

No, some dialects are social, based on factors like profession or socioeconomic status.

How are dialects and accents related?

Accents are pronunciation differences, while dialects include vocabulary and grammar changes.

Can slang words become part of standard language?

Yes, some slang words may become widely accepted over time.

How do dialects form?

They develop over time due to geographical, cultural, and historical factors.

Do dialects and slang influence each other?

Yes, slang can become part of a dialect, and dialects often contribute new slang.

Are dialects less formal than standard language?

Not necessarily; they may include both formal and informal speech.

Is slang static or does it change over time?

Slang changes rapidly as trends evolve.

Can slang be misunderstood between different groups?

Absolutely, as different groups often have distinct slang vocabularies.

Is it essential to understand slang in another dialect?

Not necessarily, but understanding slang can improve communication and rapport.

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Author Spotlight

Written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.
Co-written by
Maham Liaqat

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