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Synonyms of mad in English:


  • 1 he felt he was going mad
    insane, mentally ill, certifiable, deranged, demented, of unsound mind, out of one's mind, not in one's right mind, sick in the head, crazed, lunatic, non compos mentis, unhinged, disturbed, raving, psychotic, psychopathic, mad as a hatter, mad as a March hare
    vulgar slangbatshit
    (be mad)have a screw loose, have bats in the/one's belfry;
    (go mad)lose one's reason, lose one's mind, take leave of one's senses, lose one's marbles, crack up
    [Antonyms] sane
  • 2 I'm still mad at him don't get mad
    angry, furious, infuriated, irate, raging, enraged, fuming, incensed, seeing red, beside oneself
    informallivid, sore
    (get mad)lose one's temper, get in a rage, rant and rave
    informalexplode, go off the deep end, go ape, flip, flip out, flip one's wig
    [Antonyms] unruffled, calm
  • 3 some mad scheme
    foolish, insane, stupid, lunatic, foolhardy, idiotic, senseless, absurd, impractical, silly, inane, asinine, wild, unwise, imprudent
    [Antonyms] sensible
  • 4 informal he's mad about jazz
    enthusiastic about, passionate about;
    ardent about, fervent about, avid about, fanatical about;
    devoted to, infatuated with, in love with, hot for
    informalcrazy about, nuts about, wild about, hooked on, gone on, nutso about
    [Antonyms] indifferent
  • 5 it was a mad dash to get ready
  • Phrases

    like mad

  • 2.1 he had to fight like mad
    energetically, enthusiastically, madly, furiously, with a will, for all one is worth, passionately, intensely, ardently, fervently
  • Definition of mad in:

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