Measures intended to combat or reduce terrorist activities.

(politics) A period of brutal intimidation and violence by those in power.

Synonym of War on Terrorism

(US) An ongoing campaign by the United States (and some of its allies) the stated aim of which is to counter international terrorism, but especially to counter al-Qaeda and other militant Muslim groups.

Alternative spelling of cyberterrorism

Alternative spelling of cyberterrorism

(pathology) A sleeping disorder, where sleep is interrupted by anxiety, panic or screaming.

(singular only) Synonym of yellow peril

Any of the family Phorusrhacidae of extinct flightless birds endemic to South America during the Cenozoic; a phorusrhacid.

plural of terror bird