[ ter-er-ist ]
See synonyms for terrorist on Thesaurus.com
  1. a person, usually a member of a group, who uses or advocates terrorism.

  2. a person who terrorizes or frightens others.

  1. (formerly) a member of a political group in Russia aiming at the demoralization of the government by terror.

  2. an agent or partisan of the revolutionary tribunal during the Reign of Terror in France.

  1. of, relating to, or characteristic of terrorism or terrorists: terrorist tactics.

Origin of terrorist

First recorded in 1785–95; terror + -ist; compare French terroriste

Other words from terrorist

  • ter·ror·is·tic, adjective

Words Nearby terrorist

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use terrorist in a sentence

British Dictionary definitions for terrorist


/ (ˈtɛrərɪst) /

    • a person who employs terror or terrorism, esp as a political weapon

    • (as modifier): terrorist tactics

Derived forms of terrorist

  • terroristic, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012