/ Thesaurus / G Synonyms of gulf of aden Find synonyms for: Noun1. Gulf of Adenusage: arm of the Indian Ocean at the entrance to the Red SeaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language