Simple Definition of adultery
: sex between a married person and someone who is not that person's wife or husband
Full Definition of adultery
: voluntary sexual intercourse between a married man and someone other than his wife or between a married woman and someone other than her husband; also : an act of adultery
Examples of adultery in a sentence
He found out that his wife had committed adultery.
She accused her husband of adultery.
Origin of adultery
Middle English, alteration of avoutrie, from Anglo-French avulterie, from Latin adulterium, from adulter adulterer, back-formation from adulterare
First Known Use: 15th century
Legal Definition of adultery
: voluntary sexual activity (as sexual intercourse) between a married man and someone other than his wife or between a married woman and someone other than her husband; also : the crime of adultery — compare fornication
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