hard–boiled

Synonyms affectless, callous, case-hardened, cold-blooded, compassionless, desensitized, hard-boiled, hard-hearted, heartless, indurate, inhuman, inhumane, insensate, insensitive, ironhearted, merciless, obdurate, pachydermatous, pitiless, remorseless, ruthless, slash-and-burn, soulless, stony (also stoney), stonyhearted, take-no-prisoners, thick-skinned, uncharitable, unfeeling, unmerciful, unsparing, unsympathetic

Related Words boorish, heedless, inconsiderate, thoughtless, uncaring, unfriendly, unloving, unthinking; grim, hard-bitten, harsh, heavy-handed, ironfisted, ironhanded, jackbooted, knock-down, drag-out (or knock-down-and-drag-out), 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

Near Antonyms benevolent, benignant, gentle, kind; clement, indulgent, lenient, mild; cordial, friendly, good-natured, good-tempered, gracious; tolerant, understanding; affectionate, fond, loving

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

Synonyms astute, canny, clear-eyed, clear-sighted, hard-boiled, hardheaded, heady, knowing, savvy, sharp, sharp-witted, smart

Related Words artful, cagey (also cagy), crafty, cunning, devious, dodgy [chiefly British], foxy, guileful, pawky [chiefly British], slick, sly, subtle, tricky, wily; discerning, insightful, perceptive, percipient, perspicacious, sagacious, sage, sapient, wise; experienced, veteran; discriminating, discriminative; agile, alert, brainy, bright, brilliant, clever, intelligent, keen, nimble, quick, quick-witted, sharp-eyed, sharp-sighted; apt, ingenious, resourceful; calculating, scheming

Near Antonyms artless, guileless, ingenuous, innocent, naive (or naïve); exploitable, gullible (also gullable); unperceptive, unwise; dense, dull, obtuse; airheaded, birdbrained, brain-dead, brainless, dim-witted, dopey (also dopy), dumb, empty-headed, feebleminded, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, simple, slow, slow-witted, softheaded, stupid, thickheaded, thick-witted, unintelligent, weak-minded; foolish, idiotic (also idiotical), imbecile (or imbecilic), moronic, silly, thoughtless, witless; ignorant, uninformed

Antonyms unknowing