Yahoo Web Search

Search results

1. Dictionary

   In·san·i·ty

   /inˈsanədē/

   

   noun

   • 1. the state of being seriously mentally ill; madness: "he suffered from bouts of insanity" Similar mental illnessmental disordermental derangementmadnessinsanenessdementiadementednesslunacyinstabilityunsoundness of mindloss of reasondeliriumhysteriamaniapsychosisinformal:crazinessarchaic:crazednessrare:delirationOpposite sanity
   • ▪ extreme foolishness or irrationality: "it might be pure insanity to take this loan" Similar follyfoolishnessfoolhardinessidiocystupidityimbecilityasininitylunacymadnesssillinesssenselessnessbrainlessnessthoughtlessnessirrationalityillogicalityabsurdityludicrousnessridiculousnessinformal:crazinessdaftnessOpposite sense

   Word Origin late 16th century: from Latin insanitas, from insanus (see insane).

   Scrabble Points: 11

   • I

     1

   • N

     1

   • S

     1

   • A

     1

   • N

     1

   • I

     1

   • T

     1

   • Y

     4

   Powered by Oxford Languages

   More Definitions, Word Origin & ScrabbleShow less

2. en.wikipedia.org › wiki › InsanityInsanity - Wikipedia

   en.wikipedia.org › wiki › Insanity

   • Cached

   Insanity, madness, lunacy, and craziness are behaviors caused by certain abnormal mental or behavioral patterns. Insanity can manifest as violations of societal norms, including a person or persons becoming a danger to themselves or to other people.

3. www.oxfordlearnersdictionaries.com › definition › englishinsanity noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › definition › english

   • Cached

   Definition of insanity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

4. dictionary.cambridge.org › us › dictionaryINSANITY | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

   • Cached

   an action that is stupid and likely to have extremely bad results: It would be insanity to expand the business now. SMART Vocabulary: related words and phrases. Stupid and silly. absurdity. absurdly. adolescent. against your better judgmentidiom. dopey. dopily. dorky. dottiness. dotty. imprudently. in his/her/their wisdomidiom.

5. www.oed.com › dictionary › insanity_ninsanity, n. meanings, etymology and more - Oxford English...

   www.oed.com › dictionary › insanity_n

   • Cached

   The condition of being insane; a state of mind that impedes the ability to think, reason, or behave in ways that are considered normal, esp. one caused by mental illness. Also in extended use.

6. www.vocabulary.com › dictionary › insanityInsanity - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › insanity

   Insanity is an ongoing state of extreme mental illness, which may cause abnormal or antisocial behaviors. If you bark at cats and meow at dogs, you might suffer from insanity.

7. dictionary.cambridge.org › us › dictionaryINSANITY | definition in the Cambridge Learner’s Dictionary

   dictionary.cambridge.org › us › dictionary

   • Cached

   insanity noun [U] (STUPID) a very stupid thing to do: It would be insanity to expand the business at the moment. (Definition of insanity from the Cambridge Learner's Dictionary © Cambridge University Press) Translations of insanity. in Chinese (Traditional) 精神錯亂，精神失常, 瘋狂, 失去理智… See more. in Chinese (Simplified) 精神错乱，精神失常, 疯狂, 失去理智… See more.

8. www.collinsdictionary.com › dictionary › englishINSANITY definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   3 days ago · 1. uncountable noun. Insanity is the state of being insane. The defence pleaded insanity, but the defendant was found guilty and sentenced. 2. uncountable noun. If you describe a decision or an action as insanity, you think it is very foolish . [disapproval] It was a period of collective insanity, of legalized murder and mayhem.