LATIN DICTIONARYLexicon Latīnum
English → Latin

“pure” in Latin

The English word pure itself goes back to Latin pūrus.

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

pure
Free from stains, mixture, etc., purus (without any spot or blemish): mundus (only of solid surfaces, which are free from dirt or stains). (The words are found in this connection and order.) mundus purusque. Pure air, aer purus: pure joy, sincerum gaudium: pure mathematics, *mathesis pura: pure doctrine, formula doctrinae incorrupta: a pure virgin, virgo casta: figuratively, to have pure hands (= not to have stolen anything), manus abstinere alieno; ab alieno abstinere cupiditatem aut manus: pure water, aqua limpida. ☞ Aqua pura is not clear, but unmixed water.
Free from moral impurity, purus, integer. (The words are found in this connection and order.) purus et integer: castus. (The words are found in this connection and order.) purus et castus: castus purusque (both of body and mind): impollutus: incontaminatus. To lead a pure life, sancte vivere.
Of language, purus: emendatus. (The words are found in this connection and order.) purus et emendatus. Pure Latinity, Latinitas pura et emendata: a pure style, pura oratio: pura et incorrupta dicendi consuetudo (Cic.); purus et emendatus sermo (opposed to inquinatus sermo); purum dicendi genus.
Of metals. Pure gold, aurum purum: aurum purum putum: aurum cui obrussa adhibita est: pure silver, aurum purum putum: aurum pustulatum (purified from any admixture of other metals, from all dross).

Quick answer

What is the Latin word for pure?
The usual Latin words for “pure” are pūrus, mundus, integer; also castus, impollūtus, incontāminātus. 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.