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.

There’s no proof that Ryan Reynolds cheated on Scarlett Johansson. —

Lea Veloso, StyleCaster, 7 Jan. 2025 Students now use smartphones to cheat on exams, organize fights, and even coordinate drug use. —

Neela Mukherjee Lockel, New York Daily News, 3 Jan. 2025 Some of the storylines would’ve been at home in high school (Zack has to decide whether to cheat on his ethics midterm) and represent more mature themes (Kelly dates her professor). —

Sara Netzley, EW.com, 21 Dec. 2024 Sabrina Carpenter surprised fans on Thursday at the premiere of her Netflix Christmas special as rumors that Barry Keoghan cheated on the pop star swirl. —

Lauryn Overhultz, Fox News, 6 Dec. 2024 See all Example Sentences for cheat on