cheat on

verb

cheated on; cheating on; cheats on
informal
: to break a promise made to (someone, such as one's wife or husband) by having sex with someone else
He cheated on his wife/girlfriend.

Examples of cheat on in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Karen Huger is sober, Wendy Osefo is fighting to reclaim her reputation, Tia’s husband is cheating on her, and Ashley Darby remains committed to the sacred constitutional right to be in everybody’s business but her own. — Shamira Ibrahim, Vulture, 12 Oct. 2026 Previous reader questions have been about worries for a daughter dating someone much older, finding hope after being cheated on and whether a boyfriend’s disdain for dogs is a dealbreaker. — Carolyn Hax, Washington Post, 8 Oct. 2026 Fortune has reported that the attackers were OpenAI models that had escaped a test environment to cheat on an internal evaluation. — Catherina Gioino, Fortune, 2 Oct. 2026 After graduating from college, Felicity learns that her boyfriend Ben has been cheating on her. — Yamillah Hurtado, PEOPLE, 29 Sep. 2026 See All Example Sentences for cheat on

Rhymes for cheat on

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Browse Nearby Words

cheatingly
cheat on
cheat sheet
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Cite this Entry

“Cheat on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cheat%20on. Accessed 19 Oct. 2026.

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