What is the Latin word for idiomatic?

The usual Latin words for “idiomatic” are vernāculus, Latīnus, Anglicānus. The right choice depends on the sense; see the distinctions below.

English → Latin

“idiomatic” in Latin

vernāculusnative, domestic, indigenous, vernacular (originally of slaves)LatīnusLatin; of or pertaining to Latium, the Latin language, people, or culture AnglicānusAnglican

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

idiomatic

*alicujus linguae proprius: vernaculus or antiquus et vernaculus (what smacks of the true old national idiom, Cic.). An idiomatic raciness of style, nescio qui sapor vernaculus (Cic.); also by vere with adjective of country, as vere Atticus (Quint.), Latinus, Anglicanus.

Quick answer

What is the Latin word for idiomatic?: The usual Latin words for “idiomatic” are vernāculus, Latīnus, Anglicānus. 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.