Available Definitions:
1) v. t. - To drive back; to force to return; to check the advance of; to repulse as, to repel an enemy or an assailant.
2) v. t. - To resist or oppose effectually; as, to repel an assault, an encroachment, or an argument.
3) v. i. - To act with force in opposition to force impressed; to exercise repulsion.