Breadcrumb Home > Thesaurus > J Synonyms of jetty Find synonyms for: Noun 1. breakwater, groin, groyne, mole, bulwark, seawall, jetty, barrier usage: a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of jetty (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: meretricious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language