Informal

//ɪnˈfɔɹm(ə)l// adj

adj ·Common ·High school level

Definitions

Adjective
  1. 1
    Not formal or ceremonious.

    "an informal get-together"

  2. 2
    Not in accord with the usual regulations.

    "an informal agreement"

  3. 3
    Suited for everyday use.

    "informal clothes"

  4. 4
    Reflecting everyday, non-ceremonious usage.

    "When I returned to the movie Ghilli, a Kollywood classic (Kollywood being the informal name for Tamil cinema) that I loved as a kid, I couldn’t help but question why the story continues romantically, without question, after the heroine is slapped by the supposed love of her life."

  5. 5
    Not organized; not structured or planned.
Adjective
  1. 1
    not formal wordnet
  2. 2
    used of spoken and written language wordnet
  3. 3
    having or fostering a warm or friendly and informal atmosphere wordnet
  4. 4
    not officially recognized or controlled wordnet

Synonyms

All synonyms
unofficialcasualcolloquialconversationaleverydayfolksy

Example

More examples

"The school uniform is convenient because it can be worn for both informal and formal occasions."

Etymology

From in- + formal.

Related phrases

informal fallacyinformal groupinformal learninginformal logicinformal marriageinformal settlersemi-informal

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.