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151 synonyms found


[kɹˈakbɹˈe͡ɪnd], [kɹˈakbɹˈe‍ɪnd], [k_ɹ_ˈa_k_b_ɹ_ˈeɪ_n_d]

Synonyms for Crack-brained:

insane (adjective)

babbling, batty, berserk, blithering, brain-sick, crazy, delirious, demented, deranged, feverish, frenzied, hysterical, insane, irrational, kooky, lunatic, mad, maniacal, neurotic, nutty, psycho, psychotic, schizoid, unbalanced.

Other synonyms and related words:

Daffy, abnormal, absurd, addle-pated, asinine, balmy, balmy orbarmy, bananas, barmy, bats, bemused, bird-brained, bizarre, blockheaded, boneheaded, bonkers, bootless, brainless, certifiable, cock-eyed, cockamamie, cockamamy, confused, cracked, crackers, crackpot, crazed, cuckoo, daft, damn-fool, dim, dim-witted, dippy, disturbed, dizzy, doolally, dopey, dopy, dotty, dull-witted, dumb, empty-headed, erratic, esp.sick, exceptional, exorbitant, extraordinary, extravagant, extreme, fatuitous, fatuous, feather-brained, feeble-minded, flaked-out, flaky, foolhardy, foolish, frivolous, gaga, goofy, half-baked, halfwitted, hare-brained, have nobody home, idiotic, ill, ill-advised, imbecilic, inane, incredible, irresponsible, laughable, light-headed, loco, looney, loony, ludicrous, luny, maddened, mental, meshuga, mindless, moronic, muddle-headed, non compos mentis, nonsensical, not all there, numbskulled, numskulled, nuts, obtuse, of unsound mind, off one's chump, off one's rocker, off one's trolley, off the rails, off-the-wall, out to lunch, outlandish, outrageous, paranoiac, paranoid, potty, preposterous, psychopathic, rattle-brained, raving, ridiculous, risible, scatterbrained, screwball, screwy, senseless, silly, simple-minded, slow-witted, soft, stolid, thick, thickheaded, touched, unbelievable, unhinged, unstable, wacky, weird, witless.