extramarital
🇺🇸
/ˌekstrəˈmærɪtl/
🇬🇧
/ˌekstrəˈmærɪtl/
occurring or involving actions outside of marriage
The couple decided to work through their issues after discovering the extramarital affair.
这对夫妇在发现婚外情后决定解决他们的问题。