/ Thesaurus / U Synonyms of united states marines Find synonyms for: Noun1. United States Marine Corps, United States Marines, Marine Corps, US Marine Corps, USMC, Marinesusage: an amphibious division of the United States NavyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language