Synonyms of mad in English:

mad

adjective

  • 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
    informal crazy, mental, off one's nut, nuts, nutty, nutty as a fruitcake, nutso, off one's rocker, not right in the head, round/around the bend, (stark) raving mad, bats, batty, buggy, bonkers, dotty, cuckoo, cracked, loopy, loony, bananas, loco, screwy, schizoid, psycho, touched, gaga, not all there, not right upstairs, crackers, out of one's tree, meshuga, wacko, gonzo
    vulgar slang batshit
    (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
    informal livid, sore
    literary wrathful
    (get mad)lose one's temper, get in a rage, rant and rave
    informal explode, 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
    informal crazy 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

    informal

    Definition of mad in:

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