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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | batty, clock, daffy, fool, insane, nuts, screwball, silly, wacky |
| 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: | loony |
| 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: | lunatic |
| Part of Speech: | noun |
| Definition: | person who is crazy, mad |
| Synonyms: | crackpot, crank, cuckoo, demoniac, flake, fruitcake, kook, lamebrain, loon, maniac, neurotic, nut*, paranoid, psycho, psychopath, psychotic, scatterbrain, schizophrenic, sociopathic |
| Antonyms: | sane |
* = informal/non-formal usage
| Main Entry: | mad |
| Part of Speech: | adjective |
| Definition: | crazy, insane |
| Synonyms: | aberrant, absurd, bananas, batty, crazed, cuckoo, daft, delirious, demented, deranged, distracted, fantastic, foolhardy, foolish, frantic, frenetic, frenzied, illogical, imprudent, invalid, irrational, kooky, loony, ludicrous, lunatic, mental, non compos mentis, nonsensical, nutty, of unsound mind, off one's rocker, out of one's mind, preposterous, psychotic, rabid, raving, senseless, unbalanced, unhinged, unreasonable, unsafe, unsound, unstable, wacky* |
| Antonyms: | balanced, ok, rational, reasonable, sane, sound |
* = informal/non-formal usage
| Main Entry: | touched |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | batty, bizarre, bonkers*, cuckoo, daft, eccentric, fanatic, flighty, insane, neurotic, not all there, not right, nuts, nutty, obsessed, out of one's mind, peculiar, pixilated, queer, unhinged |
| Antonyms: | ok, sane, well |
* = informal/non-formal usage
| Main Entry: | madperson |
| Part of Speech: | noun |
| Definition: | nut |
| Synonyms: | bedlamite, crazy person, cuckoo, dement, deranged, idiot, imbecile, loon, loony, lunatic, madman, madwoman, maniac, mental case, nut, nutcase, oddball, patient, psycho, psychopath, psychotic, raver, screwball |
| Main Entry: | mentally ill |
| Part of Speech: | adjective |
| Definition: | unwell in the mind |
| Synonyms: | cracked, crazed, crazy, cuckoo, daft, demented, deranged, insane, loco, loony, lunatic, mad, not of sound mind, nuts, nutty, off one's rocker, out of one's mind, paranoid, psycho, psychopathic, psychotic, schizophrenic, touched, unbalanced |
| Main Entry: | madman |
| Part of Speech: | noun |
| Definition: | lunatic |
| Synonyms: | bedlamite, crazy person, crazyman, cuckoo, deranged person, insane man, looney, maniac, nut*, nutcase, oddball, psychiatric patient, psycho*, psychopath, psychotic*, raver, screwball |
* = 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.
