sync
noun [ U ]
(also synch) uk/sɪŋk/ usbe in sync (with sth/sb)
to work well together, to be in agreement, or to match well with something or someone else:
As a tax cutter, the mayor is in sync with his party on economic issues.
We commissioned a study to see if supply and demand are in sync.
be out of sync (with sth/sb)
to fail to work well together , or to fail to agree or match with something or someone else:
The government's ideas are out of sync with a nation demanding change.