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Definition 2025
mortal_sin
mortal sin
English
Noun
mortal sin (plural mortal sins)
- (Roman Catholic theology) a mortal sin is a grave matter, such as murder or blasphemy, and is committed with the full knowledge and deliberate consent of the sinner. The committing of such a heinous sin causes a complete loss of grace and leads to eternal damnation unless absolved.
 
Synonyms
- deadly sin
 - capital vice
 - cardinal sin
 
Antonyms
Translations
grave sin
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