1. a cone-shaped device for magnifying or directing the voice, chiefly used in addressing a large audience out of doors or in calling to someone at a distance.Compare bullhorn. verb (used with or without object), megaphoned, megaphoning.
2. to transmit or speak through or as if through a megaphone.
"voices can be megaphoned."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.