Idiom idiom
cheat on
Meaning
To be unfaithful to, especially in a romantic relationship.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“He would never cheat on his partner.”
“She felt heartbroken when she discovered that her boyfriend had been cheating on her for months.”
“Despite their public image of marital bliss, rumors eventually surfaced that he had been cheating on his wife throughout their long marriage.”
Anchors to
Last updated August 10, 2026