Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary




Synonyms and Antonyms of adulterous

  1. relating to or being a sexual encounter or relationship between a married person and someone other than their spouse <had an adulterous affair that nearly destroyed his marriage> Synonyms adulterate, adulterine, extracurricular, extramarital, two-timing Related Words premarital; promiscuous

Learn More about adulterous

Seen and Heard

What made you want to look up adulterous? Please tell us where you read or heard it (including the quote, if possible).