- a person, usually a member of a group, who uses or advocates terrorism.
- a person who terrorizes or frightens others.
- (formerly) a member of a political group in Russia aiming at the demoralization of the government by terror.
- an agent or partisan of the revolutionary tribunal during the Reign of Terror in France.
- of, relating to, or characteristic of terrorism or terrorists: terrorist tactics.
- a person who employs terror or terrorism, esp as a political weapon
- (as modifier)
