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Merriam-Webster's Collegiate Dictionary in·san·i·ty (plural -ties) DATE 1590 1. a deranged state of the mind usually occurring as a specific disorder (as schizophrenia) 2. such unsoundness of mind or lack of understanding as prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or as removes one from criminal or civil responsibility 3. a. extreme folly or unreasonableness b. something utterly foolish or unreasonable English Etymology insanity 1580s, from L. insanitatem "unhealthfulness," noun of quality from insanus (see insane). Oxford Advanced Learner's Dictionary-牛津双解-OALD7 insanity in·san·ity / in5sAnEti / noun[U] 1. the state of being insane 精神失常；精神错乱；精神病 SYN madness :
He was found not guilty, by reason of insanity. 他以精神失常为理由获判无罪。 OPP sanity 2. actions that are very stupid and possibly dangerous 十分愚蠢的行为；荒唐的行为 SYN madness , lunacy :
It would be sheer insanity to attempt the trip in such bad weather. 天气这么糟糕还要去旅行,太荒唐了。 Oxford Collocations Dictionary for Students of English insanity noun ADJ. total VERB + INSANITY plead At the murder trial, he pleaded insanity. Merriam-Webster's Collegiate Thesaurus-11th Edition n. Function: noun 1 grave disorder of mind that impairs one's capacity to function safely or normally in society FF1C;his insanity required confinement in a mental institutionFF1E; Synonyms: aberration, alienation, derangement, distraction, insaneness, lunacy, madness, psychopathy, unbalance Related Words: acromania; delirium, frenzy, hysteria; delusion, hallucination, illusion; irrationality, unreasonableness; dotage Contrasted Words: judiciousness, sageness, sensibility, wiseness; rationality, reasonableness; healthiness, soundness, wholesomeness Antonyms: saneness, sanity 2 Synonyms: FOOLISHNESS , absurdity, craziness, dottiness, folly, inanity, preposterousness, senselessness, silliness, witlessness Related Words: asininity, fatuousness, stupidity; impracticality Webster's Third New International Dictionary, Unabridged in·san·i·ty \ə̇nˈsanəd.ē, -ətē, -i\ noun Etymology: Latin insanitas, from insanus insane + -itas -ity 1. a. : the state of being insane : unsoundness or derangement of the mind usually occurring as a specific disorder (as schizophrenia or dementia praecox) and usually excluding such states as mental deficiency, the psychoneuroses, and various character disorders b. : a mental disorder < dementia praecox is one of the commoner insanities > 2. : such unsoundness of mind or lack of understanding as prevents one from having the mental capacity required by law to enter into a particular relationship, status, or transaction or as excuses one from criminal or civil responsibility 3. a. : extreme folly or unreasonableness < the insanity of war > b. : something utterly foolish or unreasonable < the insanities of daily life > Synonyms: lunacy , psychosis , mania , dementia : insanity , more commonly used in law than in medicine, applies to any mental disorder of such severity as to render the person unfit to manage his own affairs or to enjoy his liberty because of the unreliability of his behavior that makes him a danger to himself and to others. lunacy , a term legally interchangeable with insanity, popularly implies periodic mental disorder or alternating madness and lucidity. psychosis is the technical psychiatric term for any far-reaching and prolonged behavior disorder (as dementia praecox or manic-depressive psychosis). mania is a phase of a mental disorder (as manic-depressive psychosis) marked by a mood of sustained and exaggerated elation, emotional expansiveness, overtalkativeness, excessive physical activity, or delusions of greatness, that characterizes any of several psychoses. dementia is the technical psychiatric term that denotes mental deterioration that is psychogenic in origin (as dementia praecox) or that results from disease that damages the brain substance (as neurosyphilis or arteriosclerosis) |
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