What is the Latin word for unmingled, unmixed?

The usual Latin words for “unmingled, unmixed” are merus, pūrus, simplex. The right choice depends on the sense; see the distinctions below.

English → Latin

“unmingled, unmixed” in Latin

merussheer, undiluted, pure (especially of wine)pūrusclear, limpid; clean; pure simplexsingle; simple, plain, uncompounded; pure, unmixed

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

unmingled, unmixed

merus (neat; of wine): purus (pure): simplex: cui nihil admixtum est, nihil concretum (uncompounded; of the soul, Cic.).

Quick answer

What is the Latin word for unmingled, unmixed?: The usual Latin words for “unmingled, unmixed” are merus, pūrus, simplex. 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.