extramarital
adjective
ex·tra·mar·i·tal
ˌek-strə-ˈmer-ə-tᵊl 
-ˈma-rə-
: of, relating to, or being sexual intercourse between a married person and someone who is not that person's spouse : adulterous
an extramarital affair
Examples of extramarital in a Sentence
she had several extramarital affairs with coworkers
Recent Examples on the Web
The couple embarked on an extramarital affair before eventually divorcing their respective spouses and marrying in 2006.
—
Christine Pelisek, PEOPLE, 10 Jan. 2026
Moore was fired three weeks ago for having an extramarital affair with a staffer, and he was arrested and charged with three crimes later in the day for breaking into the woman's home.
—CBS News, 1 Jan. 2026
The Apartment This movie follows an insurance clerk who tries to climb the corporate ladder by letting executives use his apartment for their extramarital affairs.
—Madeline Buiano, Martha Stewart, 30 Dec. 2025
After weeks of questions as to why Ohio Bobcats football coach Brian Smith was placed on administrative leave, the school has cited an extramarital affair as one of the reasons why he was officially terminated as head coach with cause.
—Trey Wallace Outkick, FOXNews.com, 18 Dec. 2025
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Cite this Entry
“Extramarital.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extramarital. Accessed 20 Jan. 2026.
Kids Definition
extramarital
adjective
ex·tra·mar·i·tal
ˌek-strə-ˈmar-ət-ᵊl
: of or relating to sexual intercourse between a married person and someone other than his or her spouse
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