1.
Coincident events happen at the same time. (FORMAL)
...~ birth times...
Coincident with the talks, the bank was permitted to open a New York branch.
ADJ: oft v-link ADJ with n
2.
Coincident opinions, ideas, or policies are the same or are very similar to each other. (FORMAL)
Their aims are ~ with ours...
Coincident interests with the corporate rich and political directorate are pointed out.
ADJ: oft v-link ADJ with n