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mortal sin

noun, Roman Catholic Church.
a willfully committed, serious transgression against the law of God, depriving the soul of divine grace.
Compare venial sin. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for mortal sin
Contemporary Examples
  • Nancy never stopped finding sex repellent, which conveniently fit with her Christian conviction that lust was a mortal sin.

Historical Examples
British Dictionary definitions for mortal sin

mortal sin

(Christianity) a sin regarded as involving total loss of grace Compare venial sin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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