Sexual intercourse by a married person with someone other than their spouse.
Lewdness or unchastity of thought as well as act, as forbidden by the seventh commandment.
Faithlessness in religion.
The intrusion of a person into a bishopric during the life of the bishop.
Adulteration; corruption.
The practice of two people having sex while a third person watches (and may or may not take part).
The practice of three people having sex, i.e. having threesomes.