cold-blooded

Synonyms

callous, case-hardened, compassionless, desensitized, hard, hard-boiled, hard-hearted, heartless, indurate, inhuman, inhumane, insensate, insensitive, ironhearted, merciless, obdurate, pitiless, remorseless, ruthless, soulless, stony (also stoney), take-no-prisoners, thick-skinned, uncharitable, unfeeling, unmerciful, unsparing, unsympathetic;

Antonyms

charitable, compassionate, humane, kindhearted, kindly, merciful, sensitive, softhearted, sympathetic, tender, tenderhearted, warm, warmhearted;

Near Antonyms

benevolent, benignant, gentle, kind;

clement, indulgent, lenient, mild;

cordial, friendly, good-natured, good-tempered, gracious;

tolerant, understanding;

affectionate, fond, loving;

Related Words

boorish, heedless, inconsiderate, thoughtless, uncaring, unfriendly, unloving, unthinking;

grim, hard-bitten, harsh, heavy-handed, oppressive, rough, rough-and-tumble, severe, sledgehammer, stern, tough, ungentle;

abusive, acrimonious, disagreeable, hateful, ill-natured, ill-tempered, malevolent, malicious, mean, rancorous, spiteful, surly, virulent;

barbarous, bestial, brutal, brutish, cruel, evil-minded, savage, vicious;

austere, cold, frosty;