Definition of adultery in English:

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Pronunciation: /əˈdəlt(ə)rē/


Voluntary sexual intercourse between a married person and a person who is not his or her spouse: she was committing adultery with a much younger man
More example sentences
  • You could hook up with someone else, but that would be adultery and adultery is wrong.
  • The marriage has to be consummated before an extramarital affair becomes adultery.
  • However, it has been held that the petitioner need not find it intolerable to live with the respondent because of his adultery.
infidelity, unfaithfulness, falseness, disloyalty, cuckoldry, extramarital sex;
affair, liaison, fling, amour
informal carrying-on, hanky-panky, two-timing, a bit on the side, fooling around, playing around, dirty weekend


Late 15th century: from the obsolete noun adulter, from Latin adulter 'adulterer', replacing an earlier form avoutrie, from Old French avouterie, likewise based on Latin adulter.

For editors and proofreaders

Syllabification: a·dul·ter·y

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