| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | brainless, deficient, dense, doltish, dumb, empty-headed, foolish, half-witted, idiotic, imbecilic, inane, meaningless, mentally deficient, mentally handicapped, mindless, moronic, not intelligent, pointless, senseless, simple, simpleminded, slow, thick-headed, unthinking, witless |
| Main Entry: | feebleminded |
| Part of Speech: | adjective |
| Definition: | mentally handicapped |
| Synonyms: | dim-witted, dull-witted, dumb, half-witted, imbecilic, moronic, retarded, simple, slow, soft in the head, stupid, unintelligent, weak-minded |
| Main Entry: | foolish |
| Part of Speech: | adjective |
| Definition: | nonsensical, idiotic |
| Synonyms: | absurd, asinine, brainless, cockamamy, crazy, daffy, daft, dippy, doltish, dotty, fantastic, fatuous, feebleminded, half-baked, half-witted, harebrained, ill-advised, ill-considered, imbecilic, imprudent, incautious, indiscreet, injudicious, insane, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, moronic, nerdy, nutty, preposterous, ridiculous, senseless, short-sighted, silly, simple, stupid, unintelligent, unreasonable, unwise, wacky*, weak, witless, zany* |
| Antonyms: | careful, cautious, circumspect, prudent, sensible, serious, thoughtful, unfoolish, wise |
| Main Entry: | idiotic |
| Part of Speech: | adjective |
| Definition: | very stupid |
| Synonyms: | asinine, batty, birdbrained, crazy, daffy, daft, dull, dumb, fatuous, foolhardy, foolish, harebrained, imbecile, imbecilic, inane, insane, lunatic, moronic, senseless, silly, squirrelly, thick-witted, unintelligent |
| Antonyms: | brainy, intelligent, smart |
| Main Entry: | inane |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | absurd, asinine, daft, empty, fatuous, flat, foolish, frivolous, futile, harebrained, idiotic, illogical, imbecilic, innocuous, insipid, jejune, laughable, meaningless, mindless, pointless, puerile, ridiculous, sappy*, senseless, silly, trifling, unintelligent, vacant, vacuous, vain, vapid, weak, wishy-washy, worthless |
| Notes: | inane means silly, lacking significance or insubstantial; insane means mentally deranged, mad or very foolish |
| Antonyms: | bright, intelligent, smart |
| Main Entry: | mindless |
| Part of Speech: | adjective |
| Definition: | oblivious, stupid; automatic |
| Synonyms: | asinine, brutish, careless, daydreaming, foolish, forgetful, gratuitous, heedless, idiotic, imbecilic, inattentive, mooning, moony, moronic, neglectful, negligent, nitwitted, obtuse, out, out of it, rash, senseless, silly, simple, spaced-out, thoughtless, unaware, unintelligent, unmindful, unthinking, witless |
| Antonyms: | intelligent, mindful, thinking, thoughtful |
| Main Entry: | moronic |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | asinine, brainless, dense, dimwitted, doltish, dopey, dumb, foolish, half-baked, idiotic, ill-advised, imbecilic, inane, irresponsible, ludicrous, mindless, nonsensical, pointless, senseless, unintelligent, unthinking |
| Main Entry: | oafish |
| Part of Speech: | adjective |
| Definition: | clumsy, stupid |
| Synonyms: | all thumbs, blundering, blunderous, bumbling, bungling, butterfingered, dumb, gawkish, gawky, graceless, half-witted, heavy-handed, idiotic, ignorant, inelegant, inept, klutzy, lubberly, lumbering, lumpish, moronic, simple, simpleminded, slow, stumbling, uncoordinated, undexterous, ungainly, unintelligent |
| Main Entry: | obtuse |
| Part of Speech: | adjective |
| Definition: | slow to understand |
| Synonyms: | dense, dopey, dull*, dumb, imperceptive, insensitive, opaque, slow on uptake, stolid, thick, uncomprehending, unintelligent |
| Notes: | acute is an angle of less than 90 degrees; obtuse is one of more than 90 degrees |
| Antonyms: | bright, intelligent, quick, smart |