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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | ape, barmy, batty, berserk, bonkers*, cracked, crazed, cuckoo, daffy, daft, delirious, demented, deranged, flaky, flipped out, insane, kooky, lunatic, mad, maniacal, mental*, nuts, nutty, out of one's mind, out to lunch, psycho, screwball, screwy, silly, touched*, unbalanced, wacky |
* = informal/non-formal usage
| Main Entry: | balmy |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | absurd, bugged out, cracked, crazed, crazy, daft, deranged, dotty, foolish, harebrained, idiotic, loony, mentally incompetent, moronic, nuts, nutty, odd, potty, preposterous, silly, stupid, wacky |
| Antonyms: | balanced, rational, sane, sensible |
| Main Entry: | comic/comical |
| Part of Speech: | adjective |
| Definition: | amusing |
| Synonyms: | Mickey Mouse, absurd, batty, boffo, camp*, comical, crazy, dippy, diverting, dizzy, droll, entertaining, facetious, farcical, flaky*, fool, foolheaded, for grins, freaky, funny, gelastic, goofus, goofy, gump, horse's tail, humorous, ironic, jerky, jocular, joking, joshing, laughable, light, loony, ludicrous, nutty, off the wall, priceless, ridiculous, risible, schtick, screwy, side-splitting, silly, wacky, waggish, whimsical, witty |
| Antonyms: | sad, serious, sober, solemn, tragic, unfunny |
* = informal/non-formal usage
| Main Entry: | crazy |
| Part of Speech: | adjective |
| Definition: | unrealistic, fantastic |
| Synonyms: | absurd, balmy, beyond all reason, bizarre, cockeyed, derisory, eccentric, fatuous, foolhardy, foolish, goofy*, half-baked, harebrained, idiotic, ill-conceived, impracticable, imprudent, inane, inappropriate, insane, irresponsible, loony, ludicrous, nonsensical, odd, out of all reason, outrageous, peculiar, preposterous, puerile, quixotic, ridiculous, senseless, short-sighted, silly, strange, unworkable, weird, wild |
| Antonyms: | believeable, realistic, reasonable, sensible |
* = informal/non-formal usage
| Main Entry: | dotty |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | absurd, daft, demented, disturbed, eccentric, foolish, goofy*, loony, mentally unbalanced, nuts, nutty, odd, peculiar, queer, ridiculous, strange, twisted, unconventional, weird |
* = informal/non-formal usage
| 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: | harebrained |
| Part of Speech: | adjective |
| Definition: | stupid, unthinking |
| Synonyms: | absurd, asinine, barmy, bizarre, careless, changeable, crazy, dizzy*, empty-headed, featherbrained, flighty, foolish, frivolous, giddy, half-baked, heedless, inane, irresponsible, loony, mindless, preposterous, rash, rattlebrained, reckless, scatterbrained, unstable, unsteady, wacky*, wild |
| Antonyms: | brainy, intelligent, reasonable, sensible, smart, thoughtful |
* = informal/non-formal usage
| 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: | irrational |
| Part of Speech: | adjective |
| Definition: | illogical, senseless |
| Synonyms: | aberrant, absurd, brainless, cockamamie, crazy, delirious, demented, disconnected, disjointed, distraught, fallacious, flaky*, foolish, freaky, incoherent, injudicious, insane, invalid, kooky, loony, mad, mindless, nonsensical, nutty, off-the-wall, preposterous, raving, reasonless, ridiculous, silly, sophistic, specious, stupid, unreasonable, unreasoning, unsound, unstable, unthinking, unwise, wacky*, wild, wrong |
| Antonyms: | logical, rational, reasonable, reflective, sensible, sound, stable |
* = 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.
