The offense of attempting to overthrow the government of the state to which the offender owes allegiance, or of betraying the state into the hands of a foreign power; disloyalty; treachery.

Loosely, the betrayal of any trust or confidence; treachery; perfidy.

betrayal of one's country. In the U.S. constitution treason is defined as making war against the U.S. (by a U.S. citizen) or by giving aid and comfort to the enemies of the U.S.

violation by subject of his allegiance to sovereign e.g. compassing or intending sovereign's death, levying war against him or adhering to his enemies.

Killing the sovereign, making war against the sovereign or instigating a foreigner to make an armed invasion, or having sexual intercourse with the wife of a sovereign• Time Limits in Criminal Matters

a crime that undermines the offender's government

disloyalty by virtue of subversive behavior

an act of deliberate betrayal

The crime of a U.S. citizen helping an enemy of the United States.

The crime of betraying one's country, especially by attempting to kill or overthrow the sovereign or government.

A serious crime against the state or the monarch. For more information, see the Crimes page.

Crime committed against one's country. Espionage or spying for an enemy nation is treasonous.

A crime against the government of a country. When citizens of a country try to set up their own government and get rid of the government in power, they are often charged with treason.

Trying to overthrow the government.

In law, treason is the crime of disloyalty to one's nation or state. A person who betrays the nation of their citizenship and/or reneges on an oath of loyalty and in some way willfully cooperates with an enemy, is considered to be a traitor. Oran's Dictionary of the Law (1983) defines treason as: "...[a]...citizen's actions to help a foreign government overthrow, make war against, or seriously injure the [parent nation]."