cheat

US /tʃiːt/
UK /tʃiːt/
"cheat" picture
1.

act dishonestly or unfairly in order to gain an advantage, especially in a game or examination

:
He was caught trying to cheat on the exam.
It's not fair to cheat in a game.
2.

to be unfaithful to one's spouse or partner

:
She found out her husband was cheating on her.
Many relationships end because one partner decides to cheat.
1.

a person who acts dishonestly in order to gain an advantage

:
He's a known cheat in card games.
Don't be a cheat, play fair.