/ Thesaurus / F Synonyms of federal republic of nigeria Find synonyms for: Noun1. Nigeria, Federal Republic of Nigeriausage: a republic in West Africa on the Gulf of Guinea; gained independence from Britain in 1960; most populous African countryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language