Eternal sin
In Catholic teaching there are six sins that blaspheme against the Holy Spirit. They are: Several passages in the Bible are frequently interpreted as referring to the unforgivable sin:
Sloth (deadly sin)
Sloth is one of the seven capital sins. It is the most difficult sin to define, and to credit as sin, since it refers to a peculiar jumble of notions, dating from antiquity and including mental, spiritual, pathological, and physical states. One definition is: a habitual disinclination to exertion, or laziness.