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), meg·a·phoned, meg·a·phon·ing.

to transmit or speak through or as if through a megaphone.

Origin of megaphone

An Americanism dating back to 1875–80; mega- + -phone
Related formsmeg·a·phon·ic [meg-uh-fon-ik] /ˌmɛg əˈfɒn ɪk/, adjectivemeg·a·phon·i·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for megaphone

megaphone, bullhorn, amplifier

Examples from the Web for megaphone

Contemporary Examples of megaphone

Historical Examples of megaphone

  • In this hush the megaphone was lifted slightly and dropped, making us all start.

    The Shadow World

    Hamlin Garland

  • Then he went to the corner of the office and picked up a megaphone.

    In Apple-Blossom Time

    Clara Louise Burnham

  • It was the voice of Mr. Isidore screeching upon him through the megaphone.

    Brother Copas

    Sir Arthur Thomas Quiller-Couch

  • "Jack Kilmeny will ride Teddy Roosevelt," blared the megaphone man.

    The Highgrader

    William MacLeod Raine

  • We need some sort of megaphone to enlarge the spirit-voices.

British Dictionary definitions for megaphone



a funnel-shaped instrument used to amplify the voiceSee also loud-hailer
Derived Formsmegaphonic (ˌmɛɡəˈfɒnɪk), adjectivemegaphonically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for megaphone

1878, coined (perhaps by Thomas Edison, who invented it) from Greek megas "great" (see mega-) + phone "voice" (see fame (n.)). Related: Megaphonic. In Greek, megalophonia meant "grandiloquence," megalophonos "loud-voiced."

Online Etymology Dictionary, © 2010 Douglas Harper