adulteress
From Longman Dictionary of Contemporary Englishadulteressa‧dul‧ter‧ess /əˈdʌltərɪs/ noun [countable] UNFAITHFULa married woman who has sex with a man who is not her husbandExamples from the Corpusadulteress• Nikki is stunned to learn that Luke knew Andrew planned to call her an adulteress in court.• There is no reference that the repentant adulteress in the New Testament was actually Mary.