[sahy-muh l-kast, ‐kahst, sim-uh l‐]


a program broadcast simultaneously on radio and television, or on more than one station, or in several languages, etc.
a closed-circuit television broadcast of an event, as a horse race, while it is taking place.

verb (used with or without object), si·mul·cast, si·mul·cast·ed, si·mul·cast·ing.

to broadcast in this manner.

Origin of simulcast

An Americanism dating back to 1945–50; simul(taneous) + (broad)cast
Can be confusedbroadcast narrowcast simulcast Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for simulcast

Contemporary Examples of simulcast

  • Simulcast live: Dave on one side of the screen, me on the other.

    The Daily Beast logo
    How Leno Won. Again.

    Bill Zehme

    December 10, 2008

British Dictionary definitions for simulcast



(tr) to broadcast (a programme, etc) simultaneously on radio and television


a programme, etc, so broadcast

Word Origin for simulcast

C20: from simul (taneous) + (broad) cast
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 simulcast

"to broadcast simultaneously on radio and television," 1948, formed from simul(taneous) + (broad)cast. The noun is first recorded 1949, from the verb.

Online Etymology Dictionary, © 2010 Douglas Harper