cheating
n. uncountablen. acting in a dishonest way to get what you want, especially in a game or an exam. It means breaking the rules to gain an unfair advantage.
n. the act of behaving dishonestly or unfairly in order to gain an advantage. Often used in academic, athletic, or interpersonal contexts to describe a breach of established rules or trust.
The school has a strict policy against cheating.
The athlete was stripped of his gold medal after officials discovered evidence of cheating during the final race.
While some view minor rule-breaking as a harmless shortcut, the administration maintains that any form of cheating undermines the integrity of the entire educational system.
he made a cheatinghe cheated / he committed an act of cheatingAs an uncountable noun, it does not take the indefinite article 'a' when referring to the general behavior.