# megaphone

/ˈmɛɡəˌfoʊn/ (US) · /mˈɛɡəfˌəʊn/ (UK) · CEFR B1 · Noun

Source: https://englishreference.com/word/megaphone
Updated: 2026-05-26

## Definition

a large, cone-shaped tool that you hold to your mouth to make your voice sound much louder. It is often used by people who need to speak to a crowd.

For teachers: a cone-shaped device used to amplify the human voice by directing sound waves in a specific direction. Often used in public demonstrations, sports events, or emergency situations.

## Examples

- The coach used a megaphone to shout instructions to the players.
- During the protest, the organizer used a megaphone to ensure everyone in the crowd could hear the speech.
- The security personnel were equipped with megaphones to manage the flow of the crowd and provide clear, audible directions through the noisy terminal.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.