noun

• (biblical, strictly) Sexual intercourse by a married person with someone other than their spouse. See more synonyms at Thesaurus:cuckoldry
• (biblical, broadly) Lewdness or unchastity of thought as well as act, as forbidden by the sixth/seventh commandment; sinful sexual behavior as a category.
• (biblical) Faithlessness in religion.
• (obsolete) The fine and penalty formerly imposed for the offence of adultery.
• (ecclesiastical) The intrusion of a person into a bishopric during the life of the bishop.
• (political economy) Adulteration; corruption.
• (obsolete) Injury; degradation; ruin.