terrorism

noun

ter·​ror·​ism ˈter-ər-ˌi-zəm How to pronounce terrorism (audio)
Synonyms of terrorism
: the systematic use of terror especially as a means of coercion

Examples of terrorism in a Sentence

They have been arrested for acts of terrorism.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Naveed has been charged with, among other things, murder and terrorism. Oscar Schwartz, New Yorker, 29 June 2026 The status had previously been renewed successively and, despite the move to end these protections, the State Department warns against traveling to either Haiti or Syria, citing widespread violence, crime, terrorism, and kidnapping. Reuters, USA Today, 28 June 2026 Islamabad, which has a long history of sponsoring terrorism against India, denied any involvement. Michael Kugelman, Time, 26 June 2026 The rapper apparently requested this unusual inclusion in the contract, and only major situations could lead to cancellation, for example, if the federal government were to raise the national terrorism threat assessment to Level 5, or if there were a large public health threat. Kevin Dolak, HollywoodReporter, 26 June 2026 See All Example Sentences for terrorism

Word History

First Known Use

1795, in the meaning defined above

Time Traveler
The first known use of terrorism was in 1795

Browse Nearby Words

Cite this Entry

“Terrorism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terrorism. Accessed 5 Jul. 2026.

Kids Definition

terrorism

noun
ter·​ror·​ism ˈter-ər-ˌiz-əm How to pronounce terrorism (audio)
: the use of terror as a means of achieving a goal
terrorist adjective or noun

Legal Definition

terrorism

noun
ter·​ror·​ism ˈter-ər-ˌi-zəm How to pronounce terrorism (audio)
1
: the unlawful use or threat of violence especially against the state or the public as a politically motivated means of attack or coercion
2
: violent and intimidating gang activity
street terrorism
terrorist adjective or noun
terroristic adjective
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