LATIN DICTIONARYLexicon Latīnum
English → Latin

“falsehood” in Latin

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

falsehood s.
Falseness, vanitas, or by circumlocution with adjectives; e.g., to prove the falsehood of anything, aliquid falsum esse probare (Quint.). ☞ Falsitas is not found till Arnobius; modern editors discard it from Cic., Cluent., 2.
A false thing, falsum: vanum: mendacium (a lie): not to utter a falsehood, nihil falsi dicere; non mentiri; verum dicere. Vid: LIE.

Quick answer

What is the Latin word for falsehood?
The usual Latin words for “falsehood” are vānitās, fallō, vānus; also mendācium. 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.