Synonyms of ornery

1 Syllable
sour, mule
2 Syllables
piller, tetchier, odious, heeler, grumpy, loutish, scoffing, crabby, swinish, cloddish, surly, cranky, waspish, feisty, waspy, fractious, sulky, grousing, fretful, spleenful, peevish, stubborn, balkier, rotten, scrappy, boorish, testy, crankier, crankiest, wayward, sullen, touchy, balky, pouty, crusty, feistier, grouchy, nastier, touchier, testier, clownish, agin, scrappier, churlish, tetchy, vicious, pettish, ructious, nasty, nastiest, flip-side, touchiest
3 Syllables
ignoble, hostile, malicious, venomous, clodhopping, crotchety, spiteful, wrongheaded, restive, unruly, dyspeptic, truculent, difficult, obnoxious, flipside, sarcastic, contrarious, viperous, satiric, sourpussed, unfriendly, hateful, hard-nosed, hateable, uncompliant, adverse, contrary, viperish, cat-and-dog, resentful
4 Syllables
contemptible, ill-natured, belligerent, bad-mannered, disagreeable, ill-tempered, cantankerous, weisenheiming, unsimilar, quarrelsome, unalike, combative, antithetic, out-of-order, inurbane, irritable, indocile, tempersome, obstinate, unbendable, violative, opposite
5 Syllables
temperamental, contradictory, negativistic