/ Thesaurus / M Synonyms of marshall islands Find synonyms for: Noun1. Marshall Islands, Republic of the Marshall Islandsusage: a republic (under United States protection) on the Marshall Islands2. Marshall Islandsusage: a group of coral islands in eastern MicronesiaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language