/ Thesaurus / T Synonyms of tombigbee river Find synonyms for: Noun1. Tombigbee, Tombigbee Riverusage: a river that rises in northeastern Mississippi and flows southward through western Alabama to join the Alabama River and form the Mobile RiverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language