rive / rīv/ • v. (past rived / rīvd/ ; past part. riv·en / ˈrivən/ ) (usu. be riven) split or tear apart violently: the party was riven by disagreements over Europe | fig. he was riven with guilt. ∎ archaic split or crack (wood or stone): the wood was riven with deep cracks. ∎ [intr.] archaic (of wood or stone) split or crack: I started to chop furiously, the dry wood riving and splintering under the ax.