Definition of purify

• v. t. - To make pure or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.
• v. t. - Hence, in figurative uses: (a) To free from guilt or moral defilement; as, to purify the heart.
• v. t. - To free from ceremonial or legal defilement.
• v. t. - To free from improprieties or barbarisms; as, to purify a language.
• v. i. - To grow or become pure or clear.