/ Thesaurus / U Synonyms of united nations agency Find synonyms for: Noun1. United Nations agency, UN agency, administrative unit, administrative bodyusage: an agency of the United NationsWordNet 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