2 definitions found

From WordNet (r) 2.0 [wn]:

grammatically

adverb: in a grammatical manner; "this child already speaks grammatically" [ant: {ungrammatically}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Grammatical \Gram*mat"ic*al\, adjective [L. grammaticus, grammaticalis; Gr. ? skilled in grammar, knowing one's letters, from ? a letter: cf. F. grammatical. See {Grammar}.]

1. Of or pertaining to grammar; of the nature of grammar; as, a grammatical rule.

2. According to the rules of grammar; grammatically correct; as, the sentence is not grammatical; the construction is not grammatical. --{Gram*mat"ic*al*ly}, adverb -- {Gram*mat"ic*al*ness}, noun
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