If someone's language is grammatical, it is considered correct because it obeys the rules of grammar. a new test to determine whether students can write grammatical English. + grammatically gram·mati·cal·ly One in five undergraduates cannot write grammatically
of or pertaining to grammar; "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender
of or pertaining to grammar; "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender"
conforming to the rules of grammar or usage accepted by native speakers; "spoke in grammatical sentences"
Grammatical is used to indicate that something relates to grammar. Should the teacher present grammatical rules to students? grammatical errors. + grammatically gram·mati·cal·ly grammatically correct language
conforming to the rules of grammar or usage accepted by native speakers; "spoke in grammatical sentences" of or pertaining to grammar; "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender
{s} of or pertaining to grammar, pertaining to the study of classes of words, pertaining to the study of the structure of a language; conforming to the rules of grammar
According to the rules of grammar; grammatically correct; as, the sentence is not grammatical; the construction is not grammatical