insaneness

in·sane

I0159100 (ĭn-sān′)adj.1. a. Of, exhibiting, or afflicted with mental derangement. Not used in psychiatric diagnosis.b. Characteristic of or associated with persons who are mentally deranged: an insane laugh; insane babbling.c. Intended for use by such persons: an insane asylum.2. Having been determined to be in a condition that meets the legal definition of insanity.3. Immoderate; wild: insane jealousy.4. Very foolish; absurd: took insane risks behind the wheel.

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[Latin īnsānus : in-, not; see in-¹ + sānus, sane, healthy.]

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in·sane′ly adv.in·sane′ness n.

Thesaurus

Noun

1.

insaneness - obsolete terms for legal insanity lunacy, madnessinsanity - relatively permanent disorder of the mind

insaneness

nounSerious mental illness or disorder impairing a person's capacity to function normally and safely:brainsickness, craziness, dementia, derangement, disturbance, insanity, lunacy, madness, mental illness, psychopathy, unbalance.Psychiatry: mania.Psychology: aberration, alienation.