/ Thesaurus / G Synonyms of grammatically Find synonyms for: Adverb1. grammaticallyusage: in a grammatical manner; "this child already speaks grammatically"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: chicory Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language