The phrase "adulterous woman" refers to a woman who is married but engages in a romantic or sexual relationship with someone who is not her spouse. Full definition
I mean we're still stoning adulterous women in some parts of the world. (nakedpastor.com)
Conceptually, same reason Stalin killed far more mensheviks and then communists than capitalist spies (or because feminist / pro-gay liberals in the west hate Israel, with its shared pro-liberal values, far more than Iran where they stone adulterous women and gays; or because said western liberals hate Christian conservatives, who haven't stoned women or gays for centuries far more than Iran - literally). (politics.stackexchange.com)
In wondering why we forgive adulterous women, she notes that when women cheat we tend to (erroneously) think it isn't all about lust and longing — it's about love and romance and soul mates. (omgchronicles.vickilarson.com)