ill-natured

a. 1. Of habitual bad temper; having an unpleasant disposition; surly; disagreeable; cross; peevish; fractious; crabbed; -- of people; as, an ill-natured person; an ill-natured disagreeable old man. Opposite of good-natured. [ Narrower terms: argumentative, contentious, disputatious, disputative, litigious : atrabilious, bilious, dyspeptic, liverish : bristly, prickly, snappish, splenetic, waspish : cantankerous, crotchety, ornery : choleric, irascible, hotheaded, hot-headed, hot-tempered, quick-tempered, short-tempered : crabbed, crabby, cross, fussy, fussbudgety, grouchy, grumpy, bad-tempered, ill-tempered: cranky, fractious, irritable, peevish, peckish, pettish, petulant, testy, tetchy, techy : crusty, curmudgeonly, gruff, ill-humored, ill-humoured: dour, glowering, glum, moody, morose, saturnine, sour, sullen : feisty, touchy : huffish, sulky: misanthropic, misanthropical : misogynous : shirty, snorty ill-tempered or annoyed): shrewish, nagging, vixenish : surly, ugly ] Also See: unpleasant. [ 1913 Webster + WordNet 1.5 ]

2. Dictated by, or indicating, ill nature; spiteful. “The ill-natured task refuse.” Addison. [ 1913 Webster ]

3. Intractable; not yielding to culture. [ R. ] “Ill-natured land.” J. Philips.

3. not to one's liking; unpleasant; disagreeable. Opposite of agreeable. [ wns=2 ] [ Narrower terms: annoying, galling, chafing, irritating, nettlesome, pesky, pestiferous, pestilent, plaguy, plaguey, teasing, vexatious, vexing; nerve-racking, nerve-wracking, stressful, trying ]
Syn. -- disagreeable. [ WordNet 1.5 ]

-- Ill`-na"tured*ly, adv. -- Ill`-na"tured*ness, n. [ 1913 Webster ]