/ˈʌdəltərəs spaʊs/ – Phrase
Definition: người phối ngẫu phạm tội ngoại tình
A more thorough explanation: An adulterous spouse refers to a married individual who engages in sexual relations with someone other than their spouse, which constitutes adultery under the law.
Example: The court found that the adulterous spouse had violated the terms of the marriage contract.