insanity

Roget category 503

4. Words relating to the intellectual faculties
› 4.5. Results of reasoning
››

#503. Insanity

noun

disordered reason, disordered intellect — diseased mind, unsound mind, abnormal mind — derangement, unsoundness — psychosis — neurosis — cognitive disorder — affective disorder^†.
insanity, lunacy — madness etc. adj. — mania, rabies, furor, mental alienation, aberration — paranoia, schizophrenia — dementation^†, dementia, demency^† — phrenitis^†, phrensy^†, frenzy, raving, incoherence, wandering, delirium, calenture of the brain^† — delusion, hallucination — lycanthropy^† — brain storm^†.
vertigo, dizziness, swimming — sunstroke, coup de soleil [Fr.], siriasis^†.
fanaticism, infatuation, craze — oddity, eccentricity, twist, monomania (caprice) 608 — kleptodipsomania^† — hypochondriasis [Med.] etc. (low spirits) 837 — melancholia, depression, clinical depression, severe depression — hysteria — amentia^†.
screw loose, tile loose, slate loose — bee in one's bonnet, rats in the upper story.
dotage etc. (imbecility) 499.

verb

be insane etc. adj.. become insane etc. adj. — lose one's senses, lose one's reason, lose one's faculties, lose one's wits — go mad, run mad, lose one's marbles [Coll.], go crazy, go bonkers [Coll.], flip one's wig [Coll.], flip one's lid [Coll.], flip out [Coll.], flip one's bush [Coll.].
rave, dote, ramble, wander — drivel etc. (be imbecile) 499 — have a screw loose etc. n., have a devil — avoir le diable au corps [Fr.] — lose one's head etc. (be uncertain) 475.
render mad, drive mad etc. adj. — madden, dementate^†, addle the wits, addle the brain, derange the head, infatuate, befool^† — turn the brain, turn one's head — drive one nuts [Coll.].

adjective

insane, mad, lunatic, loony [Coll.] — crazy, crazed, aliene^†, non compos mentis — not right, cracked, touched — bereft of reason — all possessed, unhinged, unsettled in one's mind — insensate, reasonless, beside oneself, demented, daft — phrenzied^†, frenzied, frenetic — possessed, possessed with a devil — deranged, maddened, moonstruck — shatterpated^† — mad-brained, scatter brained, shatter brained, crackbrained — touched, tetched [Coll.] — off one's head.
[behavior suggesting insanity] maniacal — delirious, lightheaded, incoherent, rambling, doting, wandering — frantic, raving, stark staring mad, stark raving mad, wild-eyed, berserk — delusional, hallucinatory.
[behavior somewhat resembling insanity] corybantic^†, dithyrambic — rabid, giddy, vertiginous, wild — haggard, mazed — flighty — distracted, distraught — depressed — agitated, hyped up — bewildered etc. (uncertain) 475.
mad as a March hare, mad as a hatter — of unsound mind etc. n. — touched in one's head, wrong in one's head, not right in one's head, not in one's right mind, not right in one's wits, upper story — out of one's mind, out of one's wits, out of one's skull [Coll.], far gone, out of one's senses, out of one's wits — not in one's right mind.
fanatical, infatuated, odd, eccentric — hypped^†, hyppish^† — spaced out [Coll.].
imbecile, silly, etc. 499.

adverb

like one possessed.

phrase

the mind having lost its balance — the reason under a cloud — tet exaltee [Fr.], tet montee [Fr.] — ira furor brevis est [Lat.] — omnes stultos insanire [Lat.] [Horace].

The content on this page comes straight from Project Gutenberg Etext of Roget's Thesaurus No. Two, which consists of the acclaimed work by Peter Mark Roget augmented with more recent material. Some changes were made to the formatting for improved readability.

Bold numbers signify related Roget categories. A dagger symbol (†) indicates archaic words and expressions no longer in common use.

debug info: 0.0008