grammatical

These lyrics may not make a lot of sense, but there’s one, big grammatical error within them.

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.

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.

A loose sentence may be broken at some point before the end, and up to that point be grammatically a complete sentence.

Grammatically this is incorrect, for is certainly the predicate; but for the elucidation of the meaning this may be disregarded.

This is grammatically quite good, but contextually impossible.

It has never occurred to Judeo-German writers to treat their language grammatically.

Dinah, attainted and convicted of pedantry, because she spoke grammatically, was nicknamed the Sappho of Saint-Satur.