Synchronous/ˈsɪŋkrənəs/ Definition 1 of 3Pro Tip 1/3Time Precision Synchronous emphasizes precise timing in events or actions together. The dancers were praised for their synchronous steps. Pro Tip 2/3Shared Timing Focus on events sharing the same timing, not just occurring together. World clocks show synchronous times across different time zones. Pro Tip 3/3Not Sequential Synchronous events aren't one after another; they occur at the same moment. The fireworks exploded in a spectacular synchronous display.