Coincide/ˌkəʊɪnˈsaɪd/ Definition 1 of 2Pro Tip 1/3Simultaneous Events Use 'coincide' to emphasize events happening at exactly the same moment. The two festivals coincide this year, creating a huge celebration. Pro Tip 2/3Planned Timing 'Coincide' often implies purposeful arrangement so events align. The meeting was scheduled to coincide with the CEO's visit. Pro Tip 3/3Implicit Surprise Sometimes 'coincide' suggests an unexpected alignment of events. It's a coincidence that our holidays coincide; we didn't plan it!