Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
That which is contrary to nature because it is contrary to right reason, hence irrational; or against the dignity of the human being as created to the image of God, hence unworthy; or against the divinely ordained purpose for which a given faculty should be used, hence perverse.