| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not intelligent; irresponsible |
| Synonyms: | brainless, dazed, deficient, dense, dim, doltish, dopey, dull, dumb, dummy*, foolish, futile, gullible, half-baked, half-witted, idiotic, ill-advised, imbecilic, inane, indiscreet, insensate, irrelevant, laughable, loser*, ludicrous, meaningless, mindless, moronic, naive, nonsensical, obtuse, out to lunch, pointless, puerile, rash, senseless, shortsighted, simple, simpleminded, slow, sluggish, stolid, stupefied, thick, thick-headed, trivial, unintelligent, unthinking, witless |
| Notes: | stupid refers to lack of ability while ignorant refers to lack of knowledge |
| Antonyms: | cognizant, intelligent, responsible, smart |
| Main Entry: | thoughtless |
| Part of Speech: | adjective |
| Definition: | absent-minded, unobservant |
| Synonyms: | bovine, careless, confused, doltish, dull, empty-headed, flighty, foolish, heedless, ill-advised, ill-considered, imprudent, inadvertent, inane, inattentive, incomprehensible, inept, injudicious, irrational, irreflective, lamebrained, loony, mindless, neglectful, negligent, obtuse, puerile, rash, reckless, regardless, remiss, senseless, silly, stupid, undiscerning, unheeding, unmindful, unreasonable, unreasoning, unreflective, unthinking, vacuous, witless |
| Antonyms: | attentive, heeding, mindful, observant, thoughtful |
| Main Entry: | unintelligent |
| 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: | witless |
| Part of Speech: | adjective |
| Definition: | foolish |
| Synonyms: | absurd, asinine, birdbrained, brainless, cockamamy, crazy, daffy, doltish, dotty, dumb, feebleminded, half-baked, half-witted, harebrained, idiotic, ill-advised, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, mindless, moronic, nonsensical, nutty, ridiculous, senseless, silly, stupid, unintelligent, unwise, wacky*, zany* |
| Main Entry: | blockheaded |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | boneheaded, dense, dimwitted, doltish, dumb, empty-headed, loggerheaded, obtuse, simple, simpleminded, thick-skulled, thickheaded, unintelligent |
| Main Entry: | dimwitted |
| Part of Speech: | adjective |
| Definition: | stupid |
| Synonyms: | blockheaded, boneheaded, dense, doltish, dumb, empty-headed, half-witted, loggerheaded, obtuse, simple, simpleminded, thick-skulled, thickheaded, unintelligent |
| Main Entry: | imbecilic |
| Part of Speech: | adjective |
| Definition: | foolish |
| Synonyms: | absurd, asinine, brainless, cockamamie, crazy, daffy, daft, dippy, doltish, dotty, fantastic, fatuous, feebleminded, half-baked, half-witted, harebrained, idiotic, ill-advised, ill-considered, imprudent, incautious, indiscreet, injudicious, insane, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, moronic, nerdy, nonsensical, nutty, preposterous, ridiculous, senseless, short-sighted, silly, simple, softheaded, stupid, tomfool, unearthly, unintelligent, unreasonable, unwise, wacky*, weak, witless, zany* |
| Main Entry: | loopy |
| Part of Speech: | adjective |
| Definition: | foolish |
| Synonyms: | absurd, asinine, brainless, cockamamy, crazy*, daffy, daft, dippy, doltish, dotty, fantastic, fatuous, feebleminded, half-baked, half-witted, harebrained, idiotic, ill-advised, ill-considered, imbecilic, imprudent, incautious, indiscreet, injudicious, insane, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, moronic, nerdy, nonsensical, nutty, preposterous, ridiculous, senseless, short-sighted, silly, simple, softheaded, stupid*, tomfool, unearthly, unintelligent, unreasonable, unwise, wacky*, weak, witless, zany* |
| Main Entry: | softheaded |
| Part of Speech: | adjective |
| Definition: | foolish |
| Synonyms: | absurd, asinine, brainless, cockamamy, crazy*, daffy, daft, dippy, doltish, dotty, fantastic, fatuous, feebleminded, half-baked, half-witted, harebrained, idiotic, ill-advised, ill-considered, imbecilic, imprudent, incautious, indiscreet, injudicious, insane, irrational, jerky, kooky, loony, ludicrous, lunatic, mad, moronic, nerdy, nonsensical, nutty, preposterous, ridiculous, senseless, short-sighted, silly, simple, stupid*, tomfool, unearthly, unintelligent, unreasonable, unwise, wacky*, weak, witless, zany* |