Share this entry

Synonyms of insane in English:


  • 1 she was declared insane
    mentally ill, mentally disordered, of unsound mind, certifiable;
    psychotic, schizophrenic;
    vulgar slang batshit
    [Antonyms] sane
  • 2 insane laughter
    maniacal, psychotic, crazed, hysterical
    [Antonyms] normal
  • 3 an insane suggestion
    impracticable, implausible, irrational, illogical
    informal crazy, mad, cockeyed, daft
    [Antonyms] sensible
  • 4 I just looked at next week's schedule, and now I'm completely insane
    mad, crazy;
    angry, furious, annoyed
    informal aggravated, foaming at the mouth, hot under the collar
    [Antonyms] calm, contented
  • Definition of insane in:
    Share this entry

    What do you find interesting about this word or phrase?

    Comments that don't adhere to our Community Guidelines may be moderated or removed.

    Subscribe to remove adverts and access premium resources