/ Thesaurus / G Synonyms of gulf of mexico Find synonyms for: Noun1. Gulf of Mexico, Golfo de Mexicousage: an arm of the Atlantic to the south of the United States and to the east of MexicoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language