adulterer

Noun

adulterer (plural adulterers)

1. (broadly, strictly) A spouse who has sex with a non-spouse.
   • Under the canon-law rule, a married participant is an adulterer and an umarried one is a fornicator.2009, Garner's Modern American Usage, page 22

   Synonyms:

   cheater, bed-hopper, carpetmonger, chamberer, debauchee, debaucher, fornicator, gallant, lecher, lewdster

2. (broadly) Someone who cheats on their spouse or monogamous significant other.
   • Ashley Madison, so-called for the two most popular girls names, billed itself as the premier destination for adulterers – no judgment, no risks, no strings attached other than the payments required to secure enough “credits” to talk to other users.2024 May 14, Adrian Horton, “Inside the rise and fall of Ashley Madison: ‘People literally lost their lives’”, in The Guardian, →ISSN

   Synonyms:

   cheater, bed-hopper, carpetmonger, chamberer, debauchee, debaucher, fornicator, gallant, lecher, lewdster

3. (broadly) A male adulterer specifically.
   • I become an adulterer and remain an adulterer when, by choice, I freely adopt the proposal to have sex with someone other than my wife.2005, The Great Life: Essays on Doctrine and Holiness, page 140
   • The Word of God says that you, my reader, should be sure that no fornicator or adulterer or adulteress has any inheritance in the Kingdom of Christ and of God.2016, Freedom From The Sin of Adultery And Fornication, page 110

   Synonyms:

   cheater, bed-hopper, carpetmonger, chamberer, debauchee, debaucher, fornicator, gallant, lecher, lewdster