insist: Meaning and Definition of

in•sist

1. to be emphatic, firm, or resolute on some matter of desire, demand, intention, etc.: He insists on checking every shipment.
2. to lay emphasis in assertion: to insist on the justice of a claim.
3. to dwell with earnestness or emphasis (usually fol. by on or upon): to insist on a point in a discussion.

1. to assert or maintain firmly: He insists that he saw the ghosts.
2. to demand or persist in demanding: I insist that you see this thing through.