adulterer

noun adul·ter·er \ə-ˈdəl-tər-ər\

: a married person who has sex with someone who is not that person's wife or husband : a person who commits adultery

Full Definition of ADULTERER

: a person who commits adultery; especially : a man who commits adultery

See adulterer defined for English-language learners

15th century

Next Word in the Dictionary: adulteressPrevious Word in the Dictionary: adulterationAll Words Near: adulterer

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

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears