plural ICBM's or ICBMs ˌī-ˌsē-(ˌ)bē-ˈemz How to pronounce ICBM (audio)
: an intercontinental ballistic missile

Examples of ICBM in a Sentence

Recent Examples on the Web
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While Beijing has never disclosed the size of its nuclear arsenal, Chinese leader Xi Jinping last year ordered the acceleration of strategic deterrence force development, as the military conducted a rare test launch of a nuclear-capable intercontinental ballistic missile (ICBM). Ryan Chan, MSNBC Newsweek, 17 June 2025 The United States has conducted another successful test of an unarmed but nuclear-capable intercontinental ballistic missile (ICBM), while Russia reportedly canceled its own test. Ryan Chan, MSNBC Newsweek, 22 May 2025 Originally designed as an intercontinental ballistic missile (ICBM), the Atlas F was later repurposed to launch satellites, including Parcae. IEEE Spectrum, 21 Jan. 2025 Ukrainian officials say Russia launched an intercontinental ballistic missile (ICBM) for the first time. Jonathan Easley, The Hill, 21 Nov. 2024 Late last week, Russia's military planned to launch a Sarmat intercontinental ballistic missile (ICBM) on a test flight from the Plesetsk Cosmodrome. Stephen Clark, Ars Technica, 27 Sep. 2024 The United States first deployed it in 1970 with the Minuteman III ICBM, according to the National Museum of the US Air Force. Brad Lendon, CNN, 12 Mar. 2024 Air Force Global Strike Command test launched an unarmed Minuteman III intercontinental ballistic missile (ICBM) from the Vandenberg Space Force Base in California. Fox News, 6 Sep. 2023 In July, North Korea held a major military parade featuring two models of intercontinental ballistic missiles (ICBM) as part of its commemorations of the Korean War armistice, known as Victory Day by Pyongyang, even though the grueling conflict ended in stalemate and the peninsula divided. Larry Register, CNN, 6 Aug. 2023

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of ICBM was in 1955

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Cite this Entry

“ICBM.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ICBM. Accessed 30 Jun. 2025.

Kids Definition

: an intercontinental ballistic missile
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