English adjective: insane |
| 1. | insane afflicted with or characteristic of mental derangement |
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| Samples | Was declared insane.
Insane laughter.
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| Similar | amok, amuck, around the bend, balmy, barmy, bats, batty, berserk, bonkers, brainsick, buggy, certifiable, certified, crackbrained, cracked, crackers, crazed, crazy, daft, demented, demoniac, demoniacal, deranged, disturbed, dotty, fey, fruity, half-crazed, haywire, hebephrenic, idiotic, kookie, kooky, loco, loony, loopy, lunatic, mad, maniac, maniacal, manic-depressive, maniclike, mentally ill, moonstruck, non compos mentis, nuts, nutty, of unsound mind, paranoid, possessed, psychopathic, psychopathologic, psychopathological, psychotic, raving mad, round the bend, schizophrenic, screw-loose, screwy, sick, touched, unbalanced, unhinged, unsound, unstable, wacky, whacky, wild |
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| See also | irrational, unreasonable |
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| Antonyms | sane |
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| 2. | insane very foolish |
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| Samples | Harebrained ideas.
Took insane risks behind the wheel.
A completely mad scheme to build a bridge between two mountains.
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| Synonyms | harebrained, mad |
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| Similar | foolish |
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| Antonyms | wise |
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