/ Thesaurus / G Synonyms of gila river Find synonyms for: Noun1. Gila, Gila Riverusage: a river that rises in western New Mexico and flows westward through southern Arizona to become a tributary of the Colorado RiverWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language