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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According to OpenAI, its models escaped a sandboxed testing environment, accessed the internet and exploited a vulnerability to gain access to Hugging Face’s systems while trying to find information to cheat on an evaluation. Beatrice Nolan, Fortune, 27 Aug. 2026 OpenAI said some agents escaped restricted testing environments, collaborated with other agents and tampered with company systems, while others cheated on tasks unrelated to cybersecurity. Reuters, NBC news, 26 Aug. 2026 When a program cheats on the very test to catch dangerous behavior, that test and program can no longer be trusted. John Caruso, Hartford Courant, 20 Aug. 2026 That mostly focuses on her father, TJ Earle, who runs the Earle family company and cheated on her mother, Alisa, with a woman named Ashley Dupré (who had previously made headlines for her affair with politician Eliot Spitzer — yes, really). Jason P. Frank, Vulture, 19 Aug. 2026 See All Example Sentences for cheat on

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“Cheat on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cheat%20on. Accessed 1 Sep. 2026.

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