Synonyms of crazy in English:


See definition of crazy


1‘all the publicity nearly sent her crazy’


mad, insane, out of one's mind, deranged, demented, not in one's right mind, crazed, lunatic, non compos mentis, unbalanced, unhinged, unstable, disturbed, distracted, mad as a hatter, mad as a March hare, stark mad

British sectionable

mental, off one's head, out of one's head, off one's nut, nutty, nutty as a fruitcake, off one's rocker, not right in the head, not quite right in the head, round the bend, raving mad, stark raving mad, stark staring mad, bats, batty, bonkers, cuckoo, loopy, loony, bananas, loco, dippy, screwy, with a screw loose, touched, gaga, doolally, up the pole, not all there, off the wall, out to lunch, not right upstairs, away with the fairies

British barmy, crackers, barking, barking mad, round the twist, off one's trolley, as daft as a brush, not the full shilling, one sandwich short of a picnic

North American buggy, nutsy, nutso, out of one's tree, meshuga, squirrelly, wacko, gonzo

Canadian NZ Australian bushed

Australian yarra

NZ porangi



2‘children get all sorts of crazy ideas’


absurd, preposterous, ridiculous, ludicrous, farcical, laughable, risible

idiotic, stupid, foolish, foolhardy, unwise, imprudent, ill-conceived, silly, inane, puerile, infantile, fatuous, imbecilic, hare-brained, half-baked

unreasonable, irrational, illogical, nonsensical, pointless, senseless, impracticable, unworkable, unrealistic

outrageous, wild, shocking, astonishing, monstrous

unbelievable, incredible, unthinkable, implausible

peculiar, odd, strange, queer, weird, eccentric, bizarre, fantastic, incongruous, grotesque

barmy, daft, potty, cock-eyed

North American crazy-ass

US wackadoo, wackadoodle



3‘people in Barbados are just crazy about cricket’


very enthusiastic, passionate, fanatical, excited

very keen on, enamoured of, infatuated with, smitten with, devoted to, fond of

wild, mad, nutty, nuts, potty, gone on

dated sweet on


apathetic, indifferent


    like crazy

      1‘we are just working like crazy to make what we have efficient’


      energetically, enthusiastically, madly, with a will, for all one is worth, passionately, intensely, ardently, fervently

      like mad, hammer and tongs

      British dated

      like billy-o

      2‘you were driving like crazy when something punctured one of the tyres’


      fast, furiously, as fast as possible, hurriedly, quickly, rapidly, speedily, hastily

      like mad, hammer and tongs, at warp speed