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| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | around the bend, batty, bizarre, brainsick, cracked, crazed, crazy as a loon, crazy*, cuckoo, daft, demented, derailed, deranged, disordered, distraught, dotty, fatuous, frenzied, idiotic, impractical, irrational, irresponsible, loony, lunatic, mad, mad as a hatter, maniac, maniacal, mental, mentally ill, moonstruck, not all there, nuts, nutty as a fruitcake, nutty, of unsound mind, off, off one's rocker, off one's rocker, out of one's mind, out of one's mind, paranoid, preposterous, psychopathic, psychotic, rabid, raging, raving, schizophrenic, screwy, senseless, sick in the head, stark raving mad, touched*, unbalanced, unhinged, unsettled, unsound, wild, wrong |
* = informal/non-formal usage
| 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 |
* = informal/non-formal usage
| Main Entry: | mental |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | deranged, disturbed, fruity, loco, lunatic, mad, maniac, mentally ill, mindless, non compos mentis, nuts, nutsy, psychiatric, psychotic, unbalanced, unstable |
| Antonyms: | balanced, sane |
| Main Entry: | nuts |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | bananas, batty, bonkers, demented, deranged, eccentric, insane, loco, loony, mad, nutty, touched, wild |
| 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: | batty |
| Part of Speech: | adjective |
| Definition: | crazy |
| Synonyms: | deranged, foolish, insane, loco, nuts, silly, wacky |
| Antonyms: | sane |
| Main Entry: | barmy |
| Part of Speech: | adjective |
| Definition: | silly |
| Synonyms: | flighty, foamy, foolish, frothy, loco, screwy |
| Main Entry: | bananas |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | bonkers*, brainsick, crackers, crazy, crazy as a loon, cuckoo, daft, demented, deranged, distraught, disturbed, dotty, kooky, loco, lunatic, mad, mad as a hatter, maniac, maniacal, mentally ill, moonstruck, not all there, nuts, nutty as a fruitcake, off one's rocker, out of one's mind, out to lunch, psycho, sick, sick in the head, stark raving mad, touched*, unbalanced, unhinged, unsound, wacky |
* = informal/non-formal usage
| Main Entry: | crackers |
| Part of Speech: | adjective |
| Definition: | insane |
| Synonyms: | batty, bonkers*, brainsick, cracked, crazed, crazy, crazy as a loon, cuckoo, daft, demented, deranged, distraught, disturbed, dotty, kooky, loco, lunatic, mad, mentally ill, moonstruck, not all there, nuts, nutty, off one's rocker, out of one's mind, out to lunch, psycho, psychotic, sick, sick in the head, stark raving mad, touched*, unbalanced, unhinged, unsound, wacky |
* = 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.
