Definition of lip–synch
: to pretend to sing or say at precisely the same time with recorded sound She lip–synched the song that was playing on the radio.
: to lip-synch something It was obvious that she was lip–synching.
First Known Use of lip–synch
LIP–SYNCH Defined for English Language Learners
Definition of lip–synch for English Language Learners
: to pretend to sing or say (recorded words)
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