/ Thesaurus / F Synonyms of flint river Find synonyms for: Noun1. Flint, Flint Riverusage: a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola RiverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language