treason

The betrayal of allegiance toward one’s own country, especially by committing hostile acts against it or aiding its enemies in committing such acts.

The betrayal of someone’s trust or confidence.

A betraying; treachery; breach of faith.

Specifically—2. Violation by a subject of his allegiance to his sovereign or liege lord, or to the chief authority of the state.

Synonyms See perfidious.

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.

See under Petit.

The crime of betraying one’s own country.

Providing aid and comfort to the enemy.