adulterous
🇺🇸
/əˈdʌltərəs/
🇬🇧
/əˈdʌltərəs/
When someone is married but has a romantic or sexual relationship with someone who is not their spouse.
The scandal was about the politician's adulterous affair with a young intern.
这起丑闻是关于这位政治家的不忠行为,他与一位年轻实习生有染。