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nongrammatical

adjective non·gram·mat·i·cal \ ˌnän-grə-ˈma-ti-kəl \

Definition of nongrammatical

: not grammatical

a : not of or relating to grammar

the nongrammatical features of language

b : not following rules of grammar : ungrammatical

a nongrammatical sentence

First Known Use of nongrammatical

1888

in the meaning defined above

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