Synonyms of crazy in English:

crazy


See definition of crazy

adjective

1‘all the publicity nearly sent her crazy’

SYNONYMS
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
informal 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 informal 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 informal buggy, nutsy, nutso, out of one's tree, meshuga, squirrelly, wacko, gonzo
Canadian, Australian, New Zealand informal bushed
Australian informal yarra
New Zealand informal porangi
ANTONYMS

sane

2‘children get all sorts of crazy ideas’

SYNONYMS
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
informal barmy, daft, potty, cock-eyed
North American informal crazy-ass
US informal wackadoo, wackadoodle
ANTONYMS

sensible

3‘people in Barbados are just crazy about cricket’

SYNONYMS
very enthusiastic, passionate, fanatical, excited
very keen on, enamoured of, infatuated with, smitten with, devoted to, fond of
informal wild, mad, nutty, nuts, potty, gone on
informal, dated sweet on
ANTONYMS

apathetic, indifferent


Phrases

    like crazy

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


    SYNONYMS
    informal

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

    informal

    like mad, hammer and tongs

    British informal, dated

    like billy-o

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


    SYNONYMS
    informal

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

    informal

    like mad, hammer and tongs, at warp speed