Noun terrorism has 1 sense
  1. terrorism, act of terrorism, terrorist act - the calculated use of violence (or threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimindation or coercion or instilling fear
    --1 is a kind of coercion
    --1 has particulars:
     bioterrorism, biological terrorism; chemical terrorism; cyber-terrorism, cyberwar; domestic terrorism; ecoterrorism, ecological terrorism, eco-warfare, ecological warfare; international terrorism; narcoterrorism; nuclear terrorism; state-sponsored terrorism; theoterrorism; terrorist attack