Anomalous

(a.) Deviating from a general rule, method, or analogy; abnormal; irregular; as, an anomalous proceeding.

Thesaurus Entries

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