Definition of adultery noun from the Oxford Advanced Learner's Dictionary



BrE BrE//əˈdʌltəri//
; NAmE NAmE//əˈdʌltəri//
[uncountable] Separation
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sex between a married person and somebody who is not their husband or wife He was accused of committing adultery. See related entries: Separation Word Originlate 15th cent.: from the obsolete noun adulter, from Latin adulter ‘adulterer’, replacing an earlier form avoutrie, from Old French avouterie.
See the Oxford Advanced American Dictionary entry: adultery