1. the state of occurring at the same time or operating in unison

Examples

• The dancers moved in perfect synchrony with the music.
• The study examined the synchrony between brain waves and heart rate.
• There was a remarkable synchrony in how the birds took flight.
• The synchrony of the swimmers’ strokes was impressive to watch.
• Scientists observed synchrony in the flashing patterns of fireflies.
• The lack of synchrony between the departments caused delays.