adulterous
1. [ adjective ] (sexuality) characterized by adultery
Synonyms: extramarital extracurricular
Examples:

"an adulterous relationship" "extramarital affairs" "the extracurricular activities of a philandering husband"

Related terms: illicit
2. [ adjective ] not faithful to a spouse or lover
Synonyms: two-timing cheating
Examples:

"adulterous husbands and wives" "a two-timing boyfriend"

Related terms: unfaithful
3. [ adjective ] (sexuality) not faithful to a spouse or lover
Synonyms: two-timing cheating
Examples:

"adulterous husbands and wives" "a two-timing boyfriend"

Related terms: unfaithful unfaithful
Similar spelling:   adulterously
  adulterer
  adulteress
  adultery
  adulterator
  adulterine
  adulterate
  adulterant
  adulate
  adulterated
  adulator
  adulteration
  adulterating
  adulthood
  adulatory
  adult_body