ritual purification is the ritual prescribed by a religion by which a person is considered to be free of "uncleanliness". many religgions require that those worshipping should be in this state.ritual purity is a state of ritual cleanliness. ritual purification may also apply to objects and places. ritual uncleanliness is not identical with ordinary physical impurity, such as dirt stains; nevertheless, body fluids are generally considered ritually unclean.