Meaning of agrammatic in English:

agrammatic

Pronunciation /ˌeɪɡrəˈmatɪk/

adjective

  • Of the nature of, relating to, or affected with agrammatism.

noun

  • A person whose language is ungrammatical, especially as a result of agrammatism.

Origin

Mid 19th century (in an earlier sense). From a- + grammatic.