LATIN DICTIONARYLexicon Latīnum
English → Latin

“sincerity” in Latin

The English word sincerity itself goes back to Latin sincērus, through sincēritās.

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

sincerity
sinceritas (purity or probity of mind; without admixture, falseness, or malice): animi candor (spotless purity of mind; openness, true-heartedness): simplicitas (natural, straightforward frankness; without any double dealing): integritas: justus sine mendacio candor (Velleius): tua simplicitas, tua veritas, tuus candor (Plin., Paneg.). “With sincerity;” Vid: SINCERELY.

Quick answer

What is the Latin word for sincerity?
The usual Latin words for “sincerity” are sincēritās, simplicitās, integritās; also Velleius. 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.