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Synonyms of informal in English:


  • 1 an informal chat
    unofficial, casual, relaxed, easygoing, unceremonious;
    open, friendly, intimate;
    simple, unpretentious, easy
    informal unstuffy, laid-back, chummy
    [Antonyms] official, formal
  • 2 informal language
    colloquial, vernacular, idiomatic, demotic, popular;
    familiar, everyday, unofficial;
    simple, natural, unpretentious
    informal slangy, chatty, folksy
    [Antonyms] literary, formal
  • 3 informal clothes
    casual, relaxed, comfortable, everyday, sloppy, leisure
    informal comfy, cazh
    [Antonyms] formal
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