Synonyms of ill-natured

1 Syllable
mean, cross, gruff
2 Syllables
crabbed, sulky, grousing, spleenful, peevish, sullen, touchy, churlish, unkind, catty, crabby, cussed, gruffer, surly, gruffest, dirty, surlier, cattier, nasty, waspy
3 Syllables
dyspeptic, petulant, malicious, unfriendly, crotchety, spiteful, unpleasant, ornery, perverse
4 Syllables
disagreeable, malevolent, irritable, cantankerous, hot-tempered, disobliging, tempersome, ill-humored
5 Syllables
temperamental