Contents -AUTHOR INDEX -BIBLIOGRAPHIC RECORD

Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class IV. Words Relating to the Intellectual Faculties
Division (I) Formation of Ideas
Section V. Results of Reasoning
Faculties

503. Insanity.

   NOUN:INSANITY, lunacy; madness &c. adj., mania, rabies, furor, mental alienation, aberration, amentia, paranoia; dementation, dementia, demency [rare], morosis, idiocy; dementia a potu [L.], delirium tremens, D. T.’s, the horrors [colloq.]; phrenitis, frenzy, raving, incoherence, wandering, delirium, calenture of the brain, delusion, hallucination; lycanthropy; brain storm.
  DERANGEMENT; disordered -reason, – intellect; diseased -, unsound -, abnormal- mind; unsoundness.
  VERTIGO, dizziness, swimming, sunstroke, coup de soleil [F.], siriasis.
  ODDITY, eccentricity, twist, monomania; fanaticism, infatuation, craze; kleptomania, dipsomania; hypochondriasis (low spirits) [See Dejection]; melancholia, hysteria.
  screw -, tile -, slate- loose; bee in one’s bonnet, rats in the upper story, bats in the belfry, bee in the head [all colloq.].
  dotage (imbecility) [See Imbecility. Folly].
   VERB:BE or BECOME INSANE &c. adj.; lose one’s senses, – reason, – faculties, – wits; go mad, run mad; rave, dote, ramble, wander; drivel (be imbecile) [See Imbecility. Folly]; have a screw loose &c. n., have a devil; avoir le diable au corps [F.]; lose one’s head (be uncertain) [See Uncertainty].
  DERANGE; render or drive mad &c. adj.; madden, dementate [rare], addle the wits, derange the head, infatuate, befool; turn the brain, turn one’s head.
   ADJECTIVE:INSANE, mad, lunatic; crazy, crazed, aliéné [F.], non compos mentis [L.], not right, dement [rare], dementate, cracked [colloq.], touched; bereft of reason; all- possessed, unhinged, unsettled in one’s mind; insensate, reasonless, beside oneself, demented, maniacal, daft; frenzied, frenetic or frenetical; possessed, – with a devil; deranged, far gone, maddened, moonstruck; shatterpated, shatterbrained; madbrained, scatterbrained, crack-brained; off one’s head.
  Corybantic, dithyrambic; rabid, giddy, vertiginous, wild; haggard, mazed; flighty; distracted, distraught; bewildered (uncertain) [See Uncertainty].
  mad as a -March hare, – hatter; of unsound mind &c. n.; touched -, wrong -, not right- in one’s -head, – mind, – wits, – upper story [colloq.]; out of one’s -mind, – senses, – wits; not in one’s right mind; nutty [slang].
  ODD, fanatical, infatuated, eccentric; hypochondriac, hyppish [rare], hipped or hypped [colloq.], hippish [colloq.].
  DELIRIOUS, light-headed, incoherent, rambling, doting, wandering; frantic, raving, stark mad, stark staring mad.
  IMBECILE, silly, [See Imbecility. Folly].
   ADVERB:like one possessed.
   QUOTATIONS:

1. The mind having lost its balance; the reason under a cloud.
2. Tête exaltée; tête montée; ira furor brevis est; omnes stultos insanire.—Horace
3. Great wits are sure to madness near allied.—Dryden
4. Moping melancholy and moon-struck madness.—Milton
5. And moody madness laughing wild Amid severest woe.—Gray
6. Though this be madness, yet there is method in’t.—Hamlet
7. No excellent soul is exempt from a mixture of madness.—Aristotle
8. Fetter strong madness in a silken thread.—Much Ado About Nothing
9. That he is mad, ’tis true, ‘tis true, ’tis pity; And pity ’tis ’tis true.—Hamlet
10. We are not ourselves When nature, being oppress’d, commands the mind To suffer with the body.—King Lear