War on Terrorism

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• proper noun 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.
• proper noun The common term for the military, political, legal and ideological conflict against Islamic terrorism, and specifically used in reference to operations by the United States, in response to the September 11, 2001 attacks.