cheat on
cheat **
cuckold
betray *
wander **

She has been cheating on him for the past year.

I didn't have any idea she was cheating on me.

He thought we were cheating on our end of the deal.

He went out of town to cheat on his wife.

After their second child, she found out he had been cheating on her.

But what if he found out she was cheating on him?

Does a President have the right to cheat on his wife?

She wanted to know if I was cheating on her.

He's been cheating on me since the day we were married.

Never knew there'd be so many people cheating on each other.