If one event coincides with another, they happen at the same time. The exhibition coincides with the 50th anniversary of his death The beginning of the solar and lunar years coincided every 13 years
If the ideas or interests of two or more people coincide, they are the same. The kids' views on life don't always coincide, but they're not afraid of voicing their opinions He gave great encouragement to his students, especially if their passions happened to coincide with his own