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 In the past school year, there has been a significant increase in students’ cheating on writing assignments by using artificial intelligence. —

Kwame Anthony Appiah, New York Times, 24 May 2024 Hansen attempted suicide after cheating on her husband and separating, according to court documents, but the couple would remarry for two years. —

Christina Coulter, Fox News, 24 May 2024 Bumble apologizes for ad about celibacy More employees are cheating on workplace drug tests. —

Megan Cerullo, CBS News, 17 May 2024 It was used by millions of married people who were looking to cheat on their partners. —

Lexi Carson, Variety, 16 May 2024 According to figures from Quest Diagnostics cited by the Wall Street Journal, workers are cheating on drug screens at a rate not seen in over 30 years. —

Christiaan Hetzner, Fortune, 15 May 2024 My mother and sister cannot stop insinuating that my wife may have cheated on me. —

Harriette Cole, The Mercury News, 9 May 2024 In later seasons, he was accused of cheating on his girlfriend with multiple SUR servers. —

Kathleen Walsh, Glamour, 18 Apr. 2024 While most couples disapprove of stepping out on their marriages, surveys have found 15% of women and 25% of men have cheated on their spouses. —

Tiffani Jackson, Fort Worth Star-Telegram, 16 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cheat on.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.