cheat on

phrasal 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

Recent Examples on the Web

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.

The Texas Education Agency has identified more teachers under investigation in a scheme to cheat on their certification exams. —

Elizabeth Campbell, Fort Worth Star-Telegram, 7 Feb. 2025 Meanwhile, Julia and Brandon suddenly found their relationship in hot water after Julia confessed to cheating on Brandon five years ago. —

Abigail Adams, People.com, 4 Feb. 2025 Zaba seemed to address rumors Smith cheated on her with influencer Khleopatre in a social media post near the time. —

David Faris, Newsweek, 3 Feb. 2025 Her rivalry with Beth is one of the most legit in this game, as Beth spread rumors that Jonna was cheating on her husband during All Stars 3. —

Randall Colburn, EW.com, 31 Jan. 2025 See all Example Sentences for cheat on