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| Main Entry: | |
| 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* |
* = informal/non-formal usage
| 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: | 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 |
* = informal/non-formal usage
| Main Entry: | half-baked |
| Part of Speech: | adjective |
| Definition: | stupid; not thought through |
| Synonyms: | backward, batty, birdbrained, blockheaded, boneheaded, brainless, crazy, dumb, feeble-minded, foolish, harebrained, idiotic, ignorant, ill-conceived, imbecilic, impractical, indiscreet, moronic, poorly planned, retarded, senseless, short-sighted, silly, slow, sophomoric, underdeveloped, unformed, witless |
| Antonyms: | intelligent, smart, thoughtful, 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: | ignorant |
| Part of Speech: | adjective |
| Definition: | unaware, unknowing |
| Synonyms: | apprenticed, benighted, birdbrained, blind to, cretinous, dense, green*, illiterate, imbecilic, in the dark, inexperienced, innocent, insensible, mindless, misinformed, moronic, naive, nescient, oblivious, obtuse, shallow, thick, unconscious, unconversant, uncultivated, uncultured, uneducated, unenlightened, uninformed, uninitiated, unintellectual, unknowledgeable, unlearned, unlettered, unmindful, unread, unschooled, unsuspecting, untaught, untrained, unwitting, witless |
| Notes: | stupid refers to lack of ability while ignorant refers to lack of knowledge |
| Antonyms: | aware, competent, educated, intelligent, knowledgeable, literate, talented, wise |
* = informal/non-formal usage
| Main Entry: | imbecile |
| Part of Speech: | adjective |
| Definition: | stupid, foolish |
| Synonyms: | asinine, backward, deranged, dim-witted, dull, fatuous, feeble-minded, idiotic, imbecilic, inane, ludicrous, moronic, simple, simple-minded, slow, thick, witless |
| 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 |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
