• IPA: /əˈdʌltəɹi/


  1. Sexual intercourse by a married person with someone other than their spouse.
    She engaged in adultery because her spouse has a low libido, while hers is very high.
    • 1651, Thomas Hobbes, De Cive
      So also that copulation which in one City is Matrimony, in another will be judged Adultery.
    • 2009 Garner's Modern American Usage ↗ page 22
      Under modern statutory law, some courts hold that the unmarried participant isn't guilty of adultery (that only the married participant is)
  2. (biblical) Lewdness or unchastity of thought as well as act, as forbidden by the seventh commandment.
  3. (biblical) Faithlessness in religion.
    • 1611, The Holy Bible, […] (King James Version), imprinted at London: By Robert Barker, […], OCLC 964384981 ↗, Jeremiah 3:9 ↗:
      And it came to pass through the lightness of her whoredom, that she defiled the land, and committed adultery with stones and with stocks.
  4. (obsolete) The fine and penalty formerly imposed for the offence of adultery.
  5. (ecclesiastical) The intrusion of a person into a bishopric during the life of the bishop.
  6. (political economy) Adulteration; corruption.
  7. (obsolete) Injury; degradation; ruin.
Synonyms Translations Translations
  • Russian: прелюбодея́ние

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