1. to act dishonestly in order to gain an advantage
2. to break a rule or law in a secret way in order to gain an advantage
3. to be sexually unfaithful to one’s partner

1. a person who acts dishonestly
2. a dishonest trick or method

Examples

• Students who cheat on exams face serious consequences.
• He was caught cheating at cards.
• She discovered her husband was cheating on her.
• The company was accused of cheating customers out of money.
• Don’t be such a cheat when we play board games.
• The software detected the cheat code in the video game.
• That’s a cheat – you moved your piece twice!