Breadcrumb Home > Thesaurus > F Synonyms of flea Find synonyms for: Noun 1. flea, insect, ectoparasite, ectozoan, ectozoon, epizoan, epizoon usage: any wingless bloodsucking parasitic insect noted for ability to leap WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flea (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census 50 Spookiest Halloween Quotes Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: panoply Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language