What is the Latin word for unblemished?

The usual Latin words for “unblemished” are pūrus, integer, incontāminātus; also impollūtus, castus. The right choice depends on the sense; see the distinctions below.

English → Latin

“unblemished” in Latin

pūrusclear, limpid; clean; pure integercomplete, whole, intact, uninjured, sound, healthy incontāminātusuncontaminated; undefiled, pure impollūtusunstained, unpolluted castusmorally pure, guiltless, spotless; especially in regard to sexual morality: pure, chaste, unpolluted, virtuous, continen

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

unblemished

purus: integer (opposed to contaminatus): incontaminatus: impollutus (both post-Ciceronian): castus (chaste; morally pure). (The words are found in this connection and order.) castus et integer: integer castusque: castus purusque. An unblemished life, purissima et castissima vita.

Quick answer

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