Definition of "mortal sins" []

• Plural form of mortal sin. (noun)

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• "(The distinction between venial or mortal sins was therefore a constant preoccupation of Catholic moral theology in general and the casuistical morality which formed an integral part of it in particular.)"
• "As an expiatory sacrifice, the Mass has the double function of obliterating actual sins, especially mortal sins (effectus stricte propitiatorius), and also of taking away, in the case of those already in the state of grace, such temporal punishments as may still remain to be endured (effectus satisfactorius)."
• "This is the common teaching of theologians, in accord with the condemnation pronounced by Leo X on Luther's assertion, 'By no means presume to confess venial sins ... in the primitive Church only manifest mortal sins were confessed "(Bull,"