Be sexually unfaithful to, as in They broke up right after she found he was cheating on her. [Colloquial; 1920s]
Words nearby cheat on
How to use cheat on in a sentence
Just the hard-on before you shoot unarmed members of the public.'Babylon' Review: The Dumb Lives of Trigger-Happy Cops|Melissa Leon|January 9, 2015|DAILY BEAST
Three on-the-record stories from a family: a mother and her daughters who came from Phoenix.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
You just travel light with carry-on luggage, go to cities that you love, and get to hang out with all your friends.
It was a brick wall that we turned into the on-ramp of a highway.
Could the (thus far) timid trembling give way to a full-on, grand mal seizure?26 Earthquakes Later, Fracking’s Smoking Gun Is in Texas|James Joiner|January 7, 2015|DAILY BEAST
I drew back from the rim of Writing-On-the-Stone, that set of whispered phrases echoing in my ears.Raw Gold|Bertrand W. Sinclair
He turned to Miller, and said haughtily in his imperfect English, “Did you see the cheat, you?”
And thirdly he knew that his adversary would cheat if he could and that his adversary suspected him of fraudulent designs.
Kingston-on-Thames is still provincial in appearance, though now the centre of a great growth of modern suburbs.The Portsmouth Road and Its Tributaries|Charles G. Harper
Besides the districts mentioned, tobacco is grown largely in that of Frankfort-on-the Oder.