/ Thesaurus / G Synonyms of grammatic Find synonyms for: Adjective1. grammatical, grammaticusage: of or pertaining to grammar; "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language