имя существительное адюльтер, нарушение супружеской верности, прелюбодеяние Например: to commit adultery with somebody — совершить прелюбодеяние с кем-либо
noun (plural -teries) Etymology: Middle English, alteration of avoutrie, from Anglo-French avulterie, from Latin adulterium, from adulter adulterer, back-formation from adulterare 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