Synonyms and related words :
aberrant, abominable, absurd, amorphous, anomalistic, anomalous, atrocious, atypical, bereft of reason, brainsick, crackbrained, cracked, crank, crankish, cranky, crazed, crazy, criminal, crotchety, daft, delinquent, deluded, demented, deprived of reason, deranged, deviant, deviative, different, disgraceful, disoriented, disproportionate, distraught, divergent, dotty, eccentric, erratic, evil, exceptional, fey, flaky, flighty, formless, freakish, funny, hallucinated, hardly the thing, heteroclite, heteromorphic, idiocratic, idiosyncratic, ignominious, illegal, improper, inappropriate, incoherent, incommensurable, incommensurate, incompatible, incongruous, inconsequent, inconsistent, inconsonant, incorrect, indecorous, infamous, insane, irrational, irreconcilable, irregular, kinky, kooky, loco, lunatic, mad, maddened, maggoty, manic, mazed, mental, mentally deficient, meshuggah, moon-struck, non compos, non compos mentis, not all there, not done, not right, not the thing, nutty, odd, oddball, of unsound mind, off, off-base, off-color, off-key, out of proportion, out-of-line, oxymoronic, paradoxical, peculiar, preternatural, psycho, queer, quirky, reasonless, sacrilegious, scandalous, screwball, screwy, self-contradictory, senseless, shameful, shameless, shapeless, sick, sinful, singular, stark-mad, stark-staring mad, strange, stray, straying, subnormal, terrible, tetched, touched, twisted, unbalanced, unconventional, uncustomary, undue, unfit, unfitting, unhinged, unlawful, unnatural, unregular, unrepresentative, unrighteous, unsane, unseemly, unsettled, unsound, unsuitable, untypical, unusual, unwonted, wacky, wandering, whimsical, wicked, witless, wrong, wrongful