to undo; to disfigure; to destroy.-to render null and void, as a title; to frustrate, as hope; to deprive, as of an estate.-to overcome or vanquish, as an army; to check, disperse, or ruin by victory; to overthrow.-to resist with success; as, to defeat an assault.-an undoing or annulling; destruction.-frustration by rendering null and void, or by prevention of success; as, the defeat of a plan or design.-an overthrow, as of an army in battle; loss of a battle; repulse suffered; discomfiture; -- opposed to victory.