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
In a fictional scenario, the researchers asked Anthropic’s Claude to act as an assistant and provided it access to internal emails that suggested it would soon be decommissioned, in addition to the knowledge that a supervisor was having an extramarital affair.
—
Aytekin Tank, Forbes.com, 8 July 2025
In one particularly jarring example, under threat of being unplugged, Anthropic’s latest creation Claude 4 lashed back by blackmailing an engineer and threatened to reveal an extramarital affair.
—Thomas Urbain, Fortune, 29 June 2025
Last seen alive in 2020 In the first case against him, prosecutors argued that Barry Morphew killed his wife on May 9, 2020, after discovering her nearly two-year extramarital affair, then disposed of her body and staged a bike crash before leaving for work in Broomfield early the next day.
—Katie Langford, Denver Post, 20 June 2025
Later, his public image was of a contented husband, but his extramarital affairs have been the subject of recent media attention.
—Kirsty McHugh, Literary Hub, 20 June 2025
See All Example Sentences for extramarital
Aytekin Tank, Forbes.com, 8 July 2025
In one particularly jarring example, under threat of being unplugged, Anthropic’s latest creation Claude 4 lashed back by blackmailing an engineer and threatened to reveal an extramarital affair.
—Thomas Urbain, Fortune, 29 June 2025
Last seen alive in 2020 In the first case against him, prosecutors argued that Barry Morphew killed his wife on May 9, 2020, after discovering her nearly two-year extramarital affair, then disposed of her body and staged a bike crash before leaving for work in Broomfield early the next day.
—Katie Langford, Denver Post, 20 June 2025
Later, his public image was of a contented husband, but his extramarital affairs have been the subject of recent media attention.
—Kirsty McHugh, Literary Hub, 20 June 2025
See All Example Sentences for extramarital
Recent Examples of Synonyms for extramarital
Adjective
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The supernatural thriller sees a woman return from death as a vindictive spirit to torment her adulterous husband.—
Andreas Wiseman,
Deadline,
26 June 2025
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But with a twist so big — Sarah being the killer of her adulterous husband Adam’s mistress, Kelly Summers, and the one who set him up for the murder while simultaneously defending him tooth and nail in court — where was Rose to go after that?—
Jennifer Maas,
Variety,
29 Apr. 2025
Adjective
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To be eligible, applicants must score 32 or better on the ACT and have a high school GPA of at least 3.9, with community service, extracurricular activities and evidence of intellectual curiosity, leadership, and creativity also considered.—
arkansasonline.com,
arkansasonline.com,
7 July 2025
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Those factors can look like children and teenagers not having access to a high-quality education or extracurricular activities like summer camps.—
Katie Langford,
Denver Post,
5 July 2025
Cite this Entry
“Extramarital.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extramarital. Accessed 18 Jul. 2025.
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