| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | trivial, silly |
| Synonyms: | barmy, childish, dizzy*, empty-headed, facetious, featherbrained, flighty, flip, flippant, foolish, gay, giddy*, harebrained, idiotic, idle, ill-considered, impractical, juvenile, light, light-minded, minor, niggling, nonserious, not serious, paltry, peripheral, petty, playful, pointless, puerile, scatterbrained, senseless, shallow, sportive, superficial, tongue-in-cheek, unimportant, unprofound, volatile, whimsical |
| Antonyms: | grave, mature, sensible, serious, solemn, thoughtful, wise |
| 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: | 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 |
| Main Entry: | insane |
| Part of Speech: | adjective |
| Definition: | mentally ill; foolish |
| Synonyms: | batty, bizarre, cracked, crazed, crazy, cuckoo, daft, demented, derailed, deranged, fatuous, frenzied, idiotic, impractical, irrational, irresponsible, loony, lunatic, mad, maniacal, mental, moonstruck, nuts, nutty, of unsound mind, off one's rocker, out of one's mind, paranoid, preposterous, psychopathic, psychotic, rabid, raging, raving, schizophrenic, screwy, senseless, touched, unhinged, unsettled, wild |
| Notes: | inane means silly, lacking significance or insubstantial; insane means mentally deranged, mad or very foolish |
| Antonyms: | balanced, healthy, rational, reasonable, sane, sound, well |
| Main Entry: | lunatic |
| Part of Speech: | adjective |
| Definition: | crazy, mad |
| Synonyms: | absurd, baked, balmy*, bananas, bonkers*, cracked, crazed, daft, demented, deranged, dippy, flaky*, flipped out, foolish, freaked out, fried, idiotic, insane, irrational, kooky, loco, maniac, maniacal, nonsensical, nutty, preposterous, psyched out, psychotic, schizoid, screwy, stupid, unsound, whacko, zany |
| Antonyms: | healthy, sane, sensible |
| 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 |