/ Thesaurus / S Synonyms of sargasso sea Find synonyms for: Noun1. Sargasso Seausage: a vast area of the North Atlantic from the West Indies to the Azores that is dense with gulfweedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language