Synonyms of perverse

1 Syllable
wrong, cross, mule
2 Syllables
willful, miscreant, headstrong, crabbier, corrupt, crabby, surly, cranky, froward, captious, chuffy, fractious, fretful, stubborn, mumpish, balkier, whiny, rotten, wronging, chuffier, erring, bullhead, fluffed, wronger, wrongest, crankier, crankiest, tough-nut, wayward, sullen, mulish, balky, naughtiest, wicked, naughtier, vicious, surlier, deviant, naughty, dogged, scurvy
3 Syllables
hard-hearted, stiff-necked, unhearing, contentious, petulant, averse, spiteful, abnormal, wrongheaded, restive, cavillous, unruly, praetorian, unhealthy, rebellious, hardline, villainous, capricious, ill-famed, blackhearted, sadistic, contrarious, self-willed, unpliable, depraved, infamous, delinquent, sinister, hard-nosed, uncompliant, unyielding, uncomplying, untoward, contrary, hardheaded, pigheaded, morose, nefarious
4 Syllables
ill-natured, unconforming, cantankerous, bad-tempered, refractory, disobedient, contumacious, exceptive, unnatural, misfigured, obdurate, perversive, irritable, indocile, tempersome, intractable, intransigent, obstinate, unbendable
5 Syllables
unreasonable, contradictory, unamenable, degenerate, negativistic, unmanageable
6 Syllables
uncooperative, insubordinate, opinionative