lip-sync
Americanverb (used with or without object)
-
to synchronize (recorded sound) with lip movements, as of an actor in a film.
-
to match lip movements with (recorded speech or singing).
She did a clumsy job of lip-syncing her big song.
noun
-
the technical process by which this is done.
-
the simultaneous recording of voice and picture, especially the synchronization of lip movements with recorded sound.
Etymology
Origin of lip-sync
First recorded in 1960–65
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“If it’s a deepfake scam, you’ll often notice subtle irregularities like lip-sync mismatch, unnatural pauses while speaking and weird facial movements. You can catch these by analyzing the video frame by frame,” he said.
From Salon • Apr. 2, 2025
Now, on Instagram, TikTok and YouTube, they perform lip-sync music videos, share their outfits and post daily life or travel vlogs.
From Los Angeles Times • Nov. 27, 2024
Its predecessor is Musical.ly, a social media platform where users would lip-sync to 15-second music clips.
From BBC • Mar. 13, 2024
He also worked as a playback singer, the term for a vocalist who recorded tracks offscreen for actors to lip-sync over.
From New York Times • Feb. 27, 2024
With Cyndi Lauper and the Pointer Sisters blasting, she would wrap herself in knitted blankets to lip-sync and dance for her family.
From Seattle Times • Jul. 3, 2023
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.