/ Thesaurus / U Synonyms of u. s. coast guard Find synonyms for: Noun1. United States Coast Guard, U. S. Coast Guard, US Coast Guard, coastguard, agency, federal agency, government agency, bureau, office, authorityusage: an agency of the Department of Transportation responsible for patrolling shores and facilitating nautical commerceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language