simple past tense and past participle of sync

(informal) To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video. / (informal, computing) To flush all pending I/O operations to disk.

Clipping of synchronization or synchrony. / Harmony. / (music) A music synchronization license, allowing the music to be synchronized with visual media such as films.

Used other than figuratively or idiomatically: see in, sync. / Working well together; agreeing with each other.

present participle of sync

plural of sync

Third-person singular simple present indicative form of sync

Alternative spelling of lip-sync

(music, singing) The synchronization of prerecorded audio signals and movement of the lips such that there is no lack of simultaneity between them.

(music, singing) To move lips in synchronization with sounds (generally recorded) so it appears they are the source of the sounds.