The act of engaging in sexual relations with someone who is married to another person.
विवाह के बाहर यौन संबंध बनाना
English Usage: He committed adultery, which led to the dissolution of his marriage.
Hindi Usage: उसने विवाह के बाहर यौन संबंध बनाया, जिससे उसकी शादी में खत्म हो गई।