noun, adjective

Origin of phone-in

First recorded in 1965–70; noun, adj. use of verb phrase phone in Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for phone in

phone in

verb (adv)

(intr) to make a telephone call to deliver information (esp to a broadcasting studio or place of work)
(tr) slang to deliver (a performance) in a perfunctory manner



  1. a radio or television programme in which listeners' or viewers' questions, comments, etc, are telephoned to the studio and broadcast live
  2. (as modifier)a phone-in discussion
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