Synonyms and related words :
aberrant, abnormal, absurd, amorphous, anomalistic, atypical, crank, crankish, cranky, crotchety, deviant, deviative, different, disproportionate, divergent, dotty, eccentric, erratic, exceptional, fey, flaky, foreign, formless, freakish, funny, heteroclite, heteromorphic, idiocratic, idiosyncratic, incoherent, incommensurable, incommensurate, incompatible, incongruous, inconsequent, inconsistent, inconsonant, irreconcilable, irregular, kinky, kooky, maggoty, monstrous, nutty, odd, oddball, off-key, out of proportion, oxymoronic, paradoxical, peculiar, preternatural, prodigious, queer, quirky, screwball, screwy, self-contradictory, shapeless, singular, strange, stray, straying, subnormal, twisted, unconventional, unnatural, unregular, unrepresentative, untypical, wacky, wandering, whimsical