sync up
In real, traceable use. Part of the curated seed collection; community review is coming.
Sense 1
Register: informal
Where it’s used:
Used
American English
Examples
Many people believe in menstrual synchrony, the idea that women's menstrual periods sometimes sync up when they work closely together, but the scientific methodology for confirming its existence remains weaker than many assume.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
To synchronize. — To synchronize (footage) so that the audio and video components play together in correct alignment.
Register: informal
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “sync up” mean?
To synchronize.
Is “sync up” formal or informal?
sync up is generally informal.