Colloquial language is informal, everyday language — the kind of vocabulary and phrasing people use in casual speech rather than formal writing. Writers use it to give characters an authentic voice, create a sense of intimacy with the reader, or represent a particular social group or setting.
What does "colloquial" mean?
The word colloquial comes from the Latin colloquium (a conversation, from col- together + loqui to speak). Colloquial language is, literally, the language of talking together. It includes:
- Contractions: "didn't", "you're", "they've" — compressed forms that feel natural in speech
- Informal vocabulary: "kid" instead of "child", "loads" instead of "many", "bloke" instead of "man"
- Idiomatic expressions: "under the weather", "pull someone's leg", "in a nutshell"
- Filler words and phrases: "kind of", "you know", "sort of", "like"
- Non-standard grammar: "We was there" or "I ain't going" — grammatically incorrect but socially authentic for certain speakers
- Clipped words: "photo" for "photograph", "exam" for "examination", "phone" for "telephone"
What is the difference between colloquial language, slang, and dialect?
These three terms are related but distinct:
| Term | Definition | Example |
|---|---|---|
| Colloquial language | Informal, everyday language used across a wide range of speakers | "He's a bit dodgy" — widely understood informal British English |
| Slang | Very informal language, often specific to a particular group, time period, or subculture; may be opaque to outsiders | "That's bare peak" (meaning "that's very unfortunate" in some current British youth slang) — not universally understood |
| Dialect | A regional variety of a language, with its own vocabulary, grammar, and pronunciation patterns | "Tha's reet" (Yorkshire dialect for "you're right"); "Bairn" (Scottish/Northern English for "child") |
Slang is a subset of colloquial language — all slang is colloquial, but not all colloquial language is slang. Dialect overlaps with both and adds regional specificity. In literary analysis, distinguishing between these three helps you make more precise claims about what a writer is doing.
How do writers use colloquial language in fiction?
Writers deploy colloquial language for several purposes:
1. Authentic voice in dialogue Dialogue that uses formal, grammatically correct English in every exchange sounds artificial. Real people speak in contractions, start sentences with "And", use incomplete phrases, and trail off. A character who speaks in perfectly formed sentences throughout will feel like a literary construction rather than a person.
2. Social and class characterisation The level of formality in a character's speech often signals their education, background, or social class — and writers are aware that readers will make these inferences. In An Inspector Calls, Inspector Goole's formal, measured speech contrasts sharply with the more colloquial, self-congratulatory chattiness of Arthur Birling. The contrast is not accidental: it signals moral seriousness vs complacent informality.
3. Intimacy and address A narrator who uses colloquial language — "I'll tell you what", "mind you", "there's a thing" — creates a sense of direct address, as though speaking personally to the reader. This reduces the distance between narrator and audience and can feel inviting or conspiratorial.
4. Representing a community Colloquial language anchors a text in a specific social and cultural world. The language of John Steinbeck's ranch workers in Of Mice and Men — the clipped sentences, the slang, the idiom of Depression-era California — helps root the text in a real social reality, and gives dignity to the working-class characters whose speech it represents.
Is colloquial language always informal or low-status?
No — and this is an important nuance. The formality or informality of language is a matter of register, and register depends on context, audience, and purpose. A doctor speaking informally to a patient ("I'm going to pop a needle in your arm — tiny scratch") is using colloquial language deliberately to reduce anxiety; the same doctor speaking to colleagues uses technical formal register.
Colloquial language in literature can signal warmth, authenticity, class, community, humour, or trustworthiness — none of these is inherently "low". Being able to move between formal and colloquial registers is a mark of sophisticated language awareness, both for characters and for writers.
How do you write about colloquial language in an exam?
A strong analytical point about colloquial language:
- Identifies the specific colloquial feature — is it a contraction, an idiom, a non-standard grammar form, a piece of slang?
- Quotes it precisely
- Explains what effect it creates — does it characterise, create intimacy, signal class or community?
- Connects to the writer's purpose — why did the writer choose this register at this moment?
Worked example:
"Steinbeck's use of colloquial language in Lennie's speech — 'I wasn't doin' nothing bad' — signals his limited education and social powerlessness through the double negative and the dropped 'g'. Yet the phrasing is not presented mockingly: the same colloquial register is shared by George and other ranch workers, making Lennie's language representative of the community rather than a marker of individual deficiency."
Frequently asked questions
Should I use colloquial language in my own exam essays?
No — essays are formal writing tasks and require formal register. You should not use contractions, idiomatic expressions, or informal vocabulary in analytical writing. However, your creative writing tasks may deliberately use colloquial language where it serves your characterisation or narrative voice.
Is colloquial language the same as bad grammar?
Not exactly. Some colloquial features (contractions, informal vocabulary) are grammatically standard; others (double negatives, non-standard verb forms) deviate from standard written English grammar. In spoken and informal written contexts, non-standard grammar is often socially normal and serves communicative purposes effectively. The key distinction is between appropriate and inappropriate register for a given context — not between "correct" and "incorrect" in an absolute sense.
How does colloquial language relate to register?
Register is the broad term for the level of formality in language use. Colloquial language sits towards the informal end of the register spectrum. Register varies along multiple dimensions: formality, technicality, directness, and the relationship between speaker and audience. Recognising register — and why a writer has chosen a particular register at a particular moment — is a core KS3 and GCSE language skill.
Can a poem use colloquial language effectively?
Absolutely. Many modern and contemporary poems deliberately adopt colloquial language to create intimacy, to represent a specific community's voice, or to challenge the elevated register traditionally associated with poetry. Poets such as Simon Armitage, Daljit Nagra, and Carol Ann Duffy frequently use colloquial diction to powerful effect, precisely because the contrast with poetic form creates interesting tensions.
Professor Quill can help you analyse language choices in your set text — including colloquial language — through guided questions. Start a free session at aitutors.me.