Of language, texts, etc.: Destroyed in purity, debased; altered from the original or correct condition by ignorance, carelessness, additions…

Of language: (a) originally not Greek; subsequently not Greek nor Latin; hence, not classical or pure (Latin or Greek), abounding in ‘barbarisms’…

Barbarous (or ? vile, beastly).

Of language: not classical, regarded as less refined than at an earlier stage of development. Also: not elevated, straightforward in expression…

Distorted, perverted; macaronic. Obsolete.

Mixed with or containing some extraneous or foreign matter, esp. of an inferior or baser kind… Of a language, style, etc.: Containing foreign…

Made or become corrupt (in various senses); = corrupt, adj.

colloquial. Of Latin: debased, corrupted. See dog, n.1 compounds 1f, dog-Latin n. at dog, n.1 compounds 3a.

Liable to verbal, textual, or phonetic corruption.