LATIN DICTIONARYLexicon Latīnum
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“madness” in Latin

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

madness
PROP., mens alienata (Liv.); mentis alienatio (Cels.; aberration of intellect): vesania (want of intellectual perception): insania (when reason has lost its poiver, insanity): vecordia (of those whose mind is disturbed by the prevalence of some one idea or set of ideas): amentia (want of sense, intellectual blindness; affectio animi lumine carens, Cic., Tusc., 3, 5, 10): dementia (irrational conduct): deliratio (want of rational or connected ideas; of idiots, or of the enfeebled mind in extreme old age): furor: mentis ad omnia caecitas (blind and senseless impulse): rabies (of animals, rarely of men): to drive to madness, ad insaniam adigere (Terentianus); in furorem vertere aliquem (Curt.): to be driven to madness, ad insaniam venire; in rabiem agi (Liv.), in insaniam incidere (Cic.). A piece of madness, insania; facinus insanum, monstrosum, mirum: an intolerable piece of madness, insaniae non tolerabiles (Cic.).
Figuratively, rage, furor; rabies.

Quick answer

What is the Latin word for madness?
The usual Latin words for “madness” are vēsānia, īnsānia, vēcors; also āmēns, dēmēns, dēlīrātiō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.