WordReference Random House Learner's Dictionary of American English © 2017
ter•ror•ism /ˈtɛrəˌrɪzəm/USA pronunciation   n. [uncountable]
  1. Governmentthe use of violence and threats to frighten and force one's will on another, esp. for political purposes.
ter•ror•ist, n. [countable]terrorists who were active in the overthrow of the government.—adj. : terrorist activities.

WordReference Random House Unabridged Dictionary of American English © 2017
ter•ror•ism  (terə riz′əm),USA pronunciation n. 
  1. Governmentthe use of violence and threats to intimidate or coerce, esp. for political purposes.
  2. Governmentthe state of fear and submission produced by terrorism or terrorization.
  3. Governmenta terroristic method of governing or of resisting a government.
  • terror + -ism 1785–95

Collins Concise English Dictionary © HarperCollins Publishers::

terrorism /ˈtɛrəˌrɪzəm/ n
  1. systematic use of violence and intimidation to achieve some goal
  2. the act of terrorizing
  3. the state of being terrorized

'Terrorism' also found in these entries:

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