Breadcrumb Home > Thesaurus > B Synonyms of bosun Find synonyms for: Noun 1. boatswain, bos'n, bo's'n, bosun, bo'sun, mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog usage: a petty officer on a merchant ship who controls the work of other seamen WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bosun (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: minatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language