/ Dictionary / Index O out-of-sync: Meaning and Definition of Find definitions for: out-of-sync Pronunciation: (out'uv-singk'), [key] — adj., adv. (in the editing or projection of film) referring to any situation in which the sound does not correspond to the lip movements of an actor or to any other sound source on the screen. not synchronized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. out-of-stater out-of-the-way Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language