Breadcrumb Home > Thesaurus > B Synonyms of bullhorn Find synonyms for: Noun 1. bullhorn, loud hailer, loud-hailer, loudspeaker, speaker, speaker unit, loudspeaker system, speaker system usage: a portable loudspeaker with built-in microphone and amplifier WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of bullhorn (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: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language