Definitions

1. noun

A person who cheats, especially in a game or examination.

“She caught the cheater who had been copying answers from another student.”

2. verb

To cheat or deceive someone, especially in a game or examination.

“He got caught cheater and was disqualified from the competition.”

3. adjective

Describing something that involves cheating or deception.

“The company was accused of being a cheater in its business dealings.”