terrorist

A person who engages in terrorism.

Of or relating to terrorism.

One who favors or uses terrorizing methods for the accomplishment of some object, as for coercing a government or a community into the adoption of or submission to a certain course; one who practises terrorism.

In Russia, a member of a political party whose purpose is to demoralize the government by terror. See nihilism, 4 .

One who governs by terrorism or intimidation; specifically, an agent or partisan of the revolutionary tribunal during the Reign of Terror in France.