An unpardonable sin entailing a total loss of grace:
— Theologians list seven mortal sins.

synoniem: deadly sin.

Roget 947: guilt, guiltiness; culpability; criminality, criminousness^†; deviation from rectitude etc. (improbity) 940^†; sinfulness etc. (vice) 945.    misconduct, misbehavior, misdoing, misdeed; malpractice, fault, sin, error, transgression; dereliction, delinquency; indiscretion, lapse, slip, trip, faux pas [Fr.], peccadillo; flaw, blot, omission; failing, failure; break, bad break! [U.S.], capital crime, delictum [Lat.].    offense, trespass; misdemeanor, misfeasance, misprision; malefaction, malfeasance, malversation; crime, felony.    enormity, atrocity, outrage; deadly sin, mortal sin; deed without a name" [Macbeth]. corpus delicti.    ... meer laten zien

Nederlands: doodzonde
Pools: grzech śmiertelny, grzech ciężki