Word: lipsync
The synchronization of prerecorded audio signals and movement of the lips such that there is no lack of simultaneity between them.
To move lips in synchronization with sounds (generally recorded) so it appears they are the source of the sounds. Example: She lip-synced to her own recording during the show because of her laryngitis.
You can find a list of possible crossword clues for LIPSYNC below.
Crossword Answers