- The definition of adultery is sexual intercourse by a married person with someone other than his or her spouse.
Tiger Woods is an example of someone who committed adultery.
adultery definition by Webster's New World
Origin: Classical Latin adulterium ; from adulter: see adulterate
adultery definition by American Heritage Dictionary
noun pl. a·dul·ter·ies
Origin: Middle English, from Old French adultere, from Latin adulterium, from adulter, adulterer; see adulterate.
adultery - Legal Definition