Definition of agrammatic in English:

agrammatic

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.

Pronunciation

agrammatic

/ˌeɪɡrəˈmatɪk/