• synonyms


or lip·synch, lip·sync

[lip-singk]Movies, Television.
verb (used with or without object)
  1. to synchronize (recorded sound) with lip movements, as of an actor in a film.
  2. to match lip movements with (recorded speech or singing): She did a clumsy job of lip-syncing her big song.
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  1. the technical process by which this is done.
  2. the simultaneous recording of voice and picture, especially the synchronization of lip movements with recorded sound.
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Origin of lip-sync

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lip-synch



  1. to mouth (prerecorded words) on television or film
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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