as in adulterous
relating to or being a sexual encounter or relationship between a married person and someone other than their spouse
she had several extramarital affairs with coworkers
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Recent Examples of extramarital
Later novels routinely took inspiration from family members or former or current lovers; the 1980 novel that baffled Frank Kermode is a dreamlike fable about a man guiltily trying to have an extramarital affair.
—
Christopher Tayler, Harpers Magazine, 27 Jan. 2026
The couple embarked on an extramarital affair before eventually divorcing their respective spouses and marrying in 2006.
—Christine Pelisek, PEOPLE, 10 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
See All Example Sentences for extramarital
Christopher Tayler, Harpers Magazine, 27 Jan. 2026
The couple embarked on an extramarital affair before eventually divorcing their respective spouses and marrying in 2006.
—Christine Pelisek, PEOPLE, 10 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
See All Example Sentences for extramarital
Recent Examples of Synonyms for extramarital
Adjective
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But the gamesmanship, foreshadowing the adulterous antics of Harold Pinter’s plays, escalates perilously.—
Theater Critic,
Los Angeles Times,
25 Feb. 2026
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The unapologetically lurid tale of two families locked in an ever-complex cat’s cradle of class resentments and adulterous power plays also swarms with queen bees and jaw-droppingly muscular men that feel straight out of the Real Housewives playbook.—
Bloomberg,
Mercury News,
22 Jan. 2026
Adjective
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Later on, the stay-at-home parent might start to be in charge of bigger picture tasks like taking kids to extracurricular activities, touring college campuses, and planning birthday parties.—
Jana Pollack,
Parents,
27 Feb. 2026
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This requires thoughtful planning around transportation services and extracurricular activities.—
Alec Johnson,
jsonline.com,
26 Feb. 2026
Cite this Entry
“Extramarital.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extramarital. Accessed 2 Mar. 2026.
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