riv ‧ en /ˈrɪv ə n/ BrE AmE adjective formal
[ Date: 1100-1200 ; Origin: Past participle of rive 'to split' (12-21 centuries) , from Old Norse rifa ]
1 . if a group of people are riven, they are divided by disagreements, especially in a violent way
riven by/with
a community riven by religious differences
2 . if an object is riven, it is divided into two or more parts