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- pronunciation:
- ihn
seIn
- features:
- Word Combinations (adjective), Word Explorer, Word Parts
| part of speech: |
adjective |
| definition 1: |
having a disabling mental disease; crazy; mad.
The person who committed this crime had to be insane.He began to have delusions and feared he was going insane.- synonyms:
- crazy, demented, deranged, lunatic, mad
- antonyms:
- sane
- similar words:
- batty, berserk, cracked, crazed, daft, loco, loony, maniacal, manic, mental, nutty, psycho, schizoid, schizophrenic, touched, unbalanced, unsound
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| definition 2: |
typical of or associated with people who have such a disease.
an insane grin- synonyms:
- crazy, demented, deranged, lunatic, mad
- antonyms:
- rational
- similar words:
- batty, buggy, crazed, cuckoo, daffy, daft, haywire, loony, maniacal, manic, mental, meshuga, nutty, schizoid, schizophrenic, screwy, unsound
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| definition 3: |
for, or used by, insane persons, as an institution.
The old hospital was turned into an insane asylum.- synonyms:
- lunatic
- similar words:
- loony
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| definition 4: |
exceptionally foolish or senseless.
an insane scheme- synonyms:
- crazy, daft, loony, mad, wacky, wild
- antonyms:
- sane
- similar words:
- absurd, balmy, batty, berserk, bizarre, crackpot, daffy, dumb, foolish, half-baked, harebrained, idiotic, loco, lunatic, maniacal, mental, nutty, ridiculous, screwy, senseless, unbalanced, unreasonable, unsound, zany
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| related words: |
delirious, demented, rabid, sick, unstable, wild |
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| derivations: |
insanely (adv.), insaneness (n.) |
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