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insane definition

in·sane (in sān′)

adjective

  1. not sane; mentally ill or deranged; demented; mad: not a technical term
  2. ☆ of or for insane people an insane asylum
  3. very foolish, impractical, extravagant, etc.; senseless

Etymology: L insanus

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical insane definition - medical

insane Synonyms

insane

modif.

  1. Deranged

    crazy, crazed, mad, wild, raging, frenzied, lunatic, schizophrenic, psychotic, psychopathic, psychoneurotic, paranoid, non compos mentis (Latin), maniacal, raving, demented, rabid, berserk, unbalanced, unhinged, act of one's mind, out of one's head, moonstruck, unsettled, mentally unsound, mentally diseased, sick, suffering from hallucinations, bereft of reason, daft, deluded, possessed, stark mad, having a devil, obsessed, disordered, touched, addlebrained, addlepated, addleheaded, nutty*, loony*, nuts*, schizo*, schizzy*, tetched*, balmy*, screwy*, loco*, off the wall*, wacko*, cuckoo*, bughouse*, crazy as a coot*, mad as a March hare*, gone*, derailed*, half-cocked*, haywire*, bats*, batty*, off the beam*, having bats in the belfry*, round the bend*, bonkers*, unglued*, nutty as a fruitcake*, off one's nut*, off one's rocker*, out of one's gourd*, dotty*, pixilated*, cracked*, having a few buttons missing*, one can short of a six-pack*, frothing at the mouth*, bananas*, not playing with a full deck*, out to lunch*, not all there*, wigged out*, off the deep end*; see also sick, violent 2, 4.

    Antonyms sane*, rational*, sensible. *

  2. Utterly foolish

    madcap, daft, idiotic; see stupid 1.


Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

insane Usage Examples

Modifying Another Word

  • criminally: At last report he was in a prison for the criminally insane in England.

Preposition: for

  • assassination: Tell me your news. ^top Re: Chatting 07/02/06 - PV declared clinically insane for attempted assassination of Kal!

Adjective complement with noun phrase

  • drive: The constant influx of random thoughts threatens to drive the Slayer insane.

Modifies a noun

  • rambling: Trusty readers, do mail in with your thoughts, comments, insane ramblings.

Used with adjective complement

  • certify: Synopsis: Sparrow of M17, hearing James ' cover is blown, quietly orders him certified insane.
insane usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

insane quotes

Ce n'est gue'  re que dans les asiles que les coquettes gardent avec ente"  tement une foi entie'  re en des regards absents; normalement, elles re¤  clament des te¤  moins. Women fond of dress are hardly ever entirely satisfied not to be seen, except among the insane; usually they want witnesses.

-de Beauvoir, Simone

L'homme est bien insense¤  . Il ne s c° auroit forger un ciron, et forge des Dieux a'   douzaines. Man is quite insane. He wouldn't know how to make a maggot, and he makes Gods by the dozen.

-Montaigne, Michel Eyquem de

insane quotes (more)

Webster's New World Dictionary of Quotations Copyright © 2005 by Chambers Harrap Publishers Ltd. All rights reserved. Published by Wiley, Hoboken, NJ. Used by arrangement with John Wiley & Sons, Inc.

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"insane." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/insane>

APA Style

insane. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/insane

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