/ Thesaurus / G Synonyms of grammatical case Find synonyms for: Noun1. case, grammatical case, grammatical category, syntactic categoryusage: nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentenceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language