| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | indifferent |
| Synonyms: | apathetic, callous, cold, impassive, insensible, unfeeling, unmoved |
| Notes: | insensate means without sensitivity or humane feeling; insentient means incapable of either |
| Main Entry: | callous |
| Part of Speech: | adjective |
| Definition: | cruel, insensitive |
| Synonyms: | apathetic, blind to, careless, case-hardened, cold, cold-blooded, deaf to, hard, hard-bitten, hard-boiled, hardened, hardhearted, heartless, impassive, impenitent, indifferent, indurated, inflexible, insensate, insensible, insensitive, insentient, inured, obdurate, soulless, spiritless, stiff, stony, stubborn, thick-skinned, torpid, tough, toughened, unaffected, unbending, uncaring, uncompassionate, unconcerned, unfeeling, unimpressionable, unresponsive, unsusceptible, unsympathetic |
| Notes: | callus is a hard patch of skin; callous is an adjective meaning 'indifferent to suffering' or 'hardened' |
| Antonyms: | compassionate, feeling, kind, nice, sensitive, sympathetic, tender |
| Main Entry: | dull |
| Part of Speech: | adjective |
| Definition: | unintelligent |
| Synonyms: | addled, backward, besotted, boring, brainless, daffy, daft, dense, dim, dim-witted, doltish, dumb, feeble-minded, half-baked, ignorant, imbecilic, indolent, insensate, low, moronic, not bright, numskulled, obtuse, scatterbrained, shallow, simple, simple-minded, slow, sluggish, stolid, stupid, tedious, thick, unintellectual, vacuous, wearisome, witless |
| Antonyms: | intelligent, keen, sharp, smart, witty |
| Main Entry: | fatuous |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | absurd, asinine, birdbrained, boneheaded, brainless, dense, dull, foolish, idiotic, imbecile, inane, insensate, jerky, lamebrained, ludicrous, lunatic, mad, mindless, moronic, puerile, sappy, silly, simple, vacuous, witless |
| Antonyms: | aware, bright, intelligent, keen, sensible, smart |
| Main Entry: | inanimate |
| Part of Speech: | adjective |
| Definition: | not alive, not organic |
| Synonyms: | azoic, cold, dead, defunct, dull, exanimate, extinct, idle, inactive, inert, inoperative, insensate, insentient, lifeless, mineral, motionless, nonanimal, nonvegetable, quiescent, soulless, spiritless |
| Antonyms: | animate, living |
| Main Entry: | lifeless |
| Part of Speech: | adjective |
| Definition: | not living, not containing living things |
| Synonyms: | asleep, bare, barren, brute, cold, comatose, dead, deceased, defunct, departed, desert, empty, exanimate, extinct, faint, inanimate, inert, inorganic, insensate, insensible, late, out cold, sterile, unconscious, uninhabited, waste |
| Antonyms: | alive, animate, living |
| Main Entry: | numb |
| Part of Speech: | adjective |
| Definition: | deadened, insensitive |
| Synonyms: | aloof, anesthetized, apathetic, asleep, benumbed, callous, casual, comatose, dazed, dead, detached, disinterested, frozen, immobilized, incurious, indifferent, insensate, insensible, insentient, lethargic, listless, numbed, paralyzed, phlegmatic, remote, senseless, stupefied, stuporous, torpid, unconcerned, unconscious, uncurious, unfeeling, uninterested |
| Antonyms: | lively, responsive, sensitive |
| Main Entry: | rocky |
| Part of Speech: | adjective |
| Definition: | unyielding, inflexible |
| Synonyms: | adamant, bloodless, firm, flinty, hard, impassible, insensate, insensible, insensitive, obdurate, pitiless, rocklike, rough, rugged, solid, steady, tough |
| Antonyms: | flexible, steady, yielding |
| Main Entry: | simple |
| Part of Speech: | adjective |
| Definition: | feeble-minded; not intelligent |
| Synonyms: | amateur, asinine, backward, brainless, credulous, dense, dimwitted, dull, dumb, fat, feeble, foolish, green*, gullible, half-witted, idiotic, ignorant, illiterate, imbecile, inane, inexperienced, inexpert, insensate, mindless, moronic, nitwitted, obtuse, senseless, shallow, silly, simple-minded, slow, soft, soft-headed, stupid, thick, uneducated, unintelligent, witless |
| Antonyms: | aware, intelligent, on-the-ball, smart |