terrorist
n. countablen. a person who uses violence or threats to create fear in a large group of people. They usually do this to reach a political goal.
n. a person who uses unlawful violence and intimidation, especially against civilians, in the pursuit of political aims.
The government is working to stop the terrorist group.
Security at the airport was increased significantly after the terrorist attack on the capital city.
International law distinguishes between a legitimate combatant and a terrorist by examining whether the targets of violence are military installations or innocent civilian populations.
From terror + -ist. In the historical sense, after French terroriste. First used in 1794 in the Courier and Evening Gazette.
Commonly used as a modifier before other nouns, such as in 'terrorist organization' or 'terrorist threat'.