D defs.my
Entry 2 senses Webster, 1913

Terrorism

/tĕr'-ẽr-ĭzˌ-əm/ · Ter·ror·ism · IPA /ˈtɛɹəɹɪzəm/
01 n. The act of terrorizing, or state of being terrorized; a mode of government by terror or intimidation.
  1. 1.
    The act of terrorizing, or state of being terrorized; a mode of government by terror or intimidation.
  2. 2.
    The practise of coercing governments to accede to political demands by committing violence on civilian targets; any similar use of violence to achieve goals.