Breadcrumb Home > Thesaurus > M Synonyms of megaphone Find synonyms for: Noun 1. megaphone, acoustic device usage: a cone-shaped acoustic device held to the mouth to intensify and direct the human voice WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of megaphone (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rugose Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language