At the same time, at the same frequency.

In a synchronous manner; carried out with synchrony; in phase or at the same time.

Synchronicity.

(intransitive) To occur at the same time or with coordinated timing. / (transitive) To cause (video and audio) to play in a coordinated way.

(uncountable) The state of being synchronous or simultaneous. / (Jungian psychology) Coincidences that seem to be meaningfully related; supposedly the result of "universal forces".

Occurring at a specific point in time. / (linguistics) Relating to the study of a language at only one point in its history.

Having attained synchronization, together, coordinated, combined.

simple past tense and past participle of synchronize

The state or property of being synchronized. / (military) The arrangement of military actions in time, space, and purpose to produce maximum relative combat power at a decisive place and time.

Third-person singular simple present indicative form of synchronize