Origin of grammatical
Examples from the Web for grammatically
Breaking the offending sentence into two sentences is grammatically correct but often rhythmically wrong.
My apologies if the tenses in the preceeding sentence are grammatically incorrect.Royal Baby Is First Person To Get a Wikipedia Page Before It Is Born|Tom Sykes|July 2, 2013|DAILY BEAST
In principle, the more correct way to speak is the way that we should write—in complete sentences, grammatically correct, etc.
And, judging by the titles, they're not written by the most grammatically proficient users.
The interchange of adjoining metrically and grammatically equivalent substantives is very common.
In ‘Henry V’ the dialogue in many scenes is carried on in French, which is grammatically accurate if not idiomatic.A Life of William Shakespeare|Sidney Lee
The Ablative Absolute is grammatically independent of the rest of the sentence.New Latin Grammar|Charles E. Bennett
"'T ain't me," answered Dora, more truthfully than grammatically.A Flock of Girls and Boys|Nora Perry
When he spoke, though what he said was grammatically correct, his accent revealed the fact that he was not a native of our Isles.Pharos, The Egyptian|Guy Newell Boothby
1520s, from Middle French grammatical and directly from Late Latin grammaticalis "of a scholar," from grammaticus "pertaining to grammar" (see grammar). Related: Grammatically (c.1400).