treasonable

Example:Her traitorous acts caused great harm to the nation.

Definition:Of, relating to, or indicating a betrayal of a trust or of one's duties or obligations, particularly to a country, government, or superior; disloyal.

Example:The disloyal actions of the spy went undetected for years.

Definition:Failure to keep faith or allegiance to a person, organization, or cause; betraying trust or obligation.

Example:His betraying acts were well-documented by witnesses.

Definition:Acting in a manner that causes one to harm or harmfully affect the interests of someone justly entitled to be treated as loyal or fair in accordance with adequate right and justice; to deliberately or willfully fail in one's duty, mission, or obligation.