lip sync
/ˈlɪpˌsɪŋk/
verb
- To move one's lips in synchronization with recorded speech or song, giving the illusion of live performance.
- He was caught lip-syncing at the concert and the audience booed.
- Many dancers lip-sync to the music in their routines.
- The singer had to lip-sync during the TV show because of a sore throat.
Synonyms
noun
- The act or practice of moving one's lips in synchronization with recorded audio.
- The judges criticized the performer's lip-sync as being out of time.
- The lip-sync was flawless during the music video shoot.
- She practiced her lip-sync for hours before the competition.