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.-hence, in figurative uses: (a) to free from guilt or moral defilement; as, to purify the heart.-to free from ceremonial or legal defilement.-to free from improprieties or barbarisms; as, to purify a language.-to grow or become pure or clear.