Cheating - AbsoluteAstronomy.com

Cheating refers to the breaking of rules to gain advantage in a competitive situation. The rules infringed may be explicit, or they may be from an unwritten code of conduct based on morality

Morality

Morality is the differentiation among intentions, decisions, and actions between those that are good and bad . A moral code is a system of morality and a moral is any one practice or teaching within a moral code...

, ethics

Ethics

Ethics, also known as moral philosophy, is a branch of philosophy that addresses questions about morality—that is, concepts such as good and evil, right and wrong, virtue and vice, justice and crime, etc.Major branches of ethics include:...

or custom

Custom

Custom may refer to:* Convention , a set of agreed, stipulated or generally accepted rules, norms, standards or criteria, often taking the form of a custom* Customization , anything made or modified to personal taste...

, making the identification of cheating a subjective process. Cheating can refer specifically to marital infidelity

Adultery

Adultery is sexual infidelity to one's spouse, and is a form of extramarital sex. It originally referred only to sex between a woman who was married and a person other than her spouse. Even in cases of separation from one's spouse, an extramarital affair is still considered adultery.Adultery is...

. Someone who is known for cheating is referred to as a cheat in British English

British English

British English, or English , is the broad term used to distinguish the forms of the English language used in the United Kingdom from forms used elsewhere...

, and a cheater in American English

American English

American English is a set of dialects of the English language used mostly in the United States. Approximately two-thirds of the world's native speakers of English live in the United States....

.
Sports are governed by both customs and explicit rules regarding acts which are permitted and forbidden at the event and away from it.