#502.  Sanity. —­ N. sanity; soundness &c. adj.; rationality, sobriety,
lucidity, lucid interval; senses, sober senses, right mind, sound mind, mens sana[Lat]. 
     V. be sane &c. adj.; retain one’s senses, retain one’s reason.
     become sane &c. adj.; come to one’s senses, sober down.
     render sane &c. adj; bring to one’s senses, sober. 
     Adj. sane, rational, reasonable, compos mentis, of sound mind; sound,
sound-minded; lucid.
     self-possessed; sober, sober-minded.
     in one’s sober senses, in one’s right mind; in possession of one’s
faculties. 
     Adv. sanely &c.adj.

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     #503.  Insanity. —­ N. disordered reason, disordered intellect;
diseased mind, unsound mind, abnormal mind; derangement, unsoundness; psychosis; neurosis; cognitive disorder; affective disorder[obs3].
     insanity, lunacy; madness &c. adj.; mania, rabies, furor, mental
alienation, aberration; paranoia, schizophrenia; dementation[obs3], dementia, demency[obs3]; phrenitis[obs3], phrensy[obs3], frenzy, raving, incoherence, wandering, delirium, calenture of the brain[obs3]; delusion, hallucination; lycanthropy[obs3]; brain storm|!.
     vertigo, dizziness, swimming; sunstroke, coup de soleil[Fr],
siriasis[obs3].
     fanaticism, infatuation, craze; oddity, eccentricity, twist, monomania
(caprice) 608; kleptodipsomania[obs3]; hypochondriasis &c. (low spirits) 837[Med]; melancholia, depression, clinical depression, severe depression; hysteria; amentia[obs3].
     screw loose, tile loose, slate loose; bee in one’s bonnet, rats in the
upper story.
     dotage &c. (imbecility) 499. 
     V. be insane &c. adj.
     become insane &c. 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 &c. (be imbecile) 499; have a screw
loose &c. n., have a devil; avoir le diable au corps[Fr]; lose one’s head &c. (be uncertain) 475.
     render mad, drive mad &c adj.; madden, dementate[obs3], addle the
wits, addle the brain, derange the head, infatuate, befool[obs3]; turn the brain, turn one’s head; drive one nuts [coll.]. 
     Adj. insane, mad, lunatic, loony[coll.]; crazy, crazed, aliene[obs3],
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[obs3], frenzied, frenetic; possessed, possessed with a devil; deranged, maddened, moonstruck; shatterpated[obs3]; mad-brained, scatter brained, shatter brained, crackbrained; touched, tetched [dialect]; off one’s head.
     [behavior suggesting insanity] maniacal; delirious, lightheaded,
incoherent, rambling, doting, wandering; frantic,