Breadcrumb Home > Thesaurus > B Synonyms of bikini Find synonyms for: Noun 1. Bikini usage: an atoll in the Marshall Islands; formerly used by the United States as a site for testing nuclear weapons 2. bikini, two-piece, swimsuit, swimwear, bathing suit, swimming costume, bathing costume usage: a woman's very brief bathing suit WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bikini (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: contretemps Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language