What is the Latin word for delirium?

The usual Latin words for “delirium” are dēlīrium, ineō. The right choice depends on the sense; see the distinctions below.

English → Latin

“delirium” in Latin

dēlīriumDelirium, madness, frenzy.ineōto enter, go into; to begin; to have sexual intercourse

The English word delirium itself goes back to Latin līra, through dēlīrium.

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

delirium

delirium (medical term, Cels., 2, 8; cui calor et tremor, saluti delirium est): mentis alienatio (general term as temporary delirium, Cels., 4, 2, init.).

Quick answer

What is the Latin word for delirium?: The usual Latin words for “delirium” are dēlīrium, ineō. 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.