malevolent (part of speech: adjective)
hateful, nasty, venomous, sinister, virulent, foul, churlish, malignant, treacherous, baleful, vicious, hurtful, mean, hostile, black-hearted, perfidious, corrosive, sullen, malicious, evil, ill-natured, wicked, catty, baneful, rancorous
sullen (part of speech: adjective)
glum, broody, grumpy, dissociable, dour, surly, obstinate, moping, uncooperative, beetle-browed, unsociable, contrary, dejected, sulky, cross, unfriendly, cynical, irascible, scowling, cantankerous, long-faced, crabby, noncooperative, fretful, ungenial, glowering, grim, frowning, sour, gloomy, morose, dark, melancholy, petulant, moody, grouchy
resentful (part of speech: adjective)
huffed, acerbic, infuriated, spiteful, sore, resentful, discontent, piqued, spleenful, bitter, antagonistic, hurt, stung, galled, vexed, miffed, splenetic, vindictive, embittered, envious, irritated, offended
- Does not some malevolent influence then deprive us of the advantages of our ingenuity? - "A Morning's Walk from London to Kew", Richard Phillips.
- It were malevolent to try to bring the realisation home to others. - "London to Ladysmith via Pretoria", Winston Spencer Churchill.
- On me the onus has to fall Of your malevolent effusions; 'Tis I who bear the brunt of all Your libellous allusions; To bolster up your turgid verse, I jeopardise my very purse! - "More Misrepresentative Men", Harry Graham.