Roget's Thesaurus by Peter Mark Roget

gall, venom, rancor, rankling, virulence, mordacity[obs3], acerbity churlishness &c. (discourtesy) 895. hardness of heart, heart of stone, obduracy; cruelty; cruelness &c. adj.; brutality, savagery; ferity[obs3], ferocity; barbarity, inhumanity, immanity|, truculence, ruffianism; evil eye, cloven foot; torture, vivisection. ill turn, bad turn; affront &c. (disrespect) 929; outrage, atrocity; ill usage; intolerance, persecution; tender mercies [ironical]; "unkindest cut of all" [Julius Caesar]. V. be malevolent &c. adj.; bear spleen, harbor spleen, bear a grudge, harbor a grudge, bear malice; betray the cloven foot, show the cloven foot. hurt &c. (physical pain) 378; annoy &c. 830; injure., harm, wrong; do harm to, do an ill office to; outrage; disoblige, malign, plant a thorn in the breast. molest, worry, harass, haunt, harry, bait, tease; throw stones at; play the devil with; hunt down, dragoon, hound; persecute, oppress, grind; maltreat; illtreat, ill-use. wreak one's malice on, do one's worst, break a butterfly on the wheel; dip one's hands in blood, imbrue one's hands in blood; have no mercy &c. 914a. Adj. malevolent, unbenevolent; unbenign; ill-disposed, ill- intentioned, ill-natured, ill-conditioned, ill-contrived; evil-minded, evil-disposed; black-browed[obs3]. malicious; malign, malignant; rancorous; despiteful, spiteful; mordacious, caustic, bitter, envenomed, acrimonious, virulent; unamiable, uncharitable; maleficent, venomous, grinding, galling. harsh, disobliging; unkind, unfriendly, ungracious; inofficious[obs3]; invidious; uncandid; churlish &c. (discourteous) 895; surly, sullen &c. 901a. cold, cold-blooded, cold-hearted; black-hearted, hard-hearted, flint- hearted, marble-hearted, stony-hearted; hard of heart, unnatural; ruthless &c. (unmerciful) 914a; relentless &c. (revengeful)