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in sync (with someone or something)
1. Happening, functioning, or moving at the same time and pace as someone or something else; simultaneously. Every soldier in the squad marched perfectly in sync. Is it just me, or is the audio not in sync with the movie?
2. Sharing the same or similar goals, ideals, desires, likes, dislikes, etc.; having the same or similar perspectives or opinions. Throughout the date, it just seemed like she and I were totally in sync about everything we brought up. If your team isn't in sync with one another, you're going to have a hard time getting this project done.
If two things are in sync, they match or happen together as they should. Note: `Sync' is sometimes spelled `synch'. They swayed back and forth, more or less in sync with the music. Mr D and Mr B nodded perfectly groomed grey heads in sync.
See also: sync
in (or out of) syncworking well (or badly) together; in (or out of) agreement.
Sync (or synch ) is an informal abbreviation of synchronization .
1997 Sunday Times The most serious obstacle is the fact that the British economy's cycle is out of sync with Europe.
See also: sync
in/out of ˈsync(informal) moving or working/not moving or working at exactly the same time and speed as somebody/something else: The soundtrack is not in sync with the picture. ♢ Can we try that part of the dance again? I think we were out of sync.
Sync is a short form of synchronization.