: of, relating to, or being sexual intercourse between a married person and someone other than his or her spouse : adulterous <an extramarital affair>
Examples of EXTRAMARITAL
- <she had several extramarital affairs with coworkers>
First Known Use of EXTRAMARITAL
Learn More About EXTRAMARITAL
Seen & Heard
What made you want to look up extramarital? Please tell us where you read or heard it (including the quote, if possible).