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lip-synch

also lip-sync (lĭpˈsĭngkˌ)

verb lip-synched also lip-synced, lip-synch·ing also lip-sync·ing, lip-synchs also lip-syncs
verb, intransitive
To move the lips in synchronization with recorded speech or song.
verb, transitive
To move the lips in synchronization with (recorded speech or song): She lip-synched the songs for the movie.

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