ungrammatical in Portuguese — Translation

agramatical

adj

(linguistics) In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable or incorrect usage.

antigramatical

adj

(linguistics) In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable or incorrect usage.

ingramatical

adj

(linguistics) In violation of one or more of the rules and conventions of a language as defined by the grammar, resulting in unacceptable or incorrect usage.