sync

or synch

[ singk ]
/ sɪŋk /
Informal.

noun (used esp. in the phrases in sync and out of sync)

synchronization: The picture and the soundtrack were out of sync.
harmony or harmonious relationship: Management wants to be in sync with the client's wishes.

verb (used with or without object)

to synchronize; harmonize.

Origin of sync

First recorded in 1930–35; shortened form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for synched

sync

synch

films television computing

verb

an informal word for synchronize

noun

an informal word for synchronizationin sync; out of sync See synchronization
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012