relating to or being a sexual encounter or relationship between a married person and someone other than their spousehired a private detective to investigate her husband's extracurricular activities
hired a private detective to investigate her husband's extracurricular activities
adulterate, adulterine, adulterous, extramarital, two-timing
premaritalpromiscuous
in 1925
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。