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second-strike

American  
[sek-uhnd-strahyk] / ˈsɛk əndˈstraɪk /

adjective

  1. noting, pertaining to, or using nuclear forces capable of withstanding attack and retaliating after an adversary has launched a first strike.


second-strike British  

adjective

  1. (of a nuclear weapon) intended to be used in a counterattack in response to a nuclear attack

  2. (of a strategy) based on the concept of surviving an initial nuclear attack with enough nuclear weaponry to retaliate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of second-strike

First recorded in 1960–65; second 1 ( def. ) + strike (in the sense “military attack”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Both the Poseidon and the Burevestnik are second-strike, retaliatory weapons, Mr Galeotti added - and not even the most rabid Kremlin propagandists are suggesting anyone is preparing to launch strikes on Russia.

From BBC Oct. 31, 2025

“China is building a larger and increasingly capable nuclear missile force that is more survivable, more diverse, and on higher alert than in the past,” including systems designed to ensure an intercontinental second-strike capability.

From Seattle Times Oct. 19, 2021

With the sea-based second-strike deterrent in place, those programs suggest Beijing eventually intends to field a triad of air, sea and land-based nuclear weapons like the United States and Russia.

From Reuters May 2, 2019

More North Korean bombs could indicate second-strike capacity and then there are questions about how much nuclear firepower the country could mobilize on a moment’s notice.

From Washington Times Aug. 18, 2017

The invention of delivery technologies—such as secure second-strike capabilities, intercontinental ballistic missiles, and nuclear payloads with multiple independently targetable re-entry vehicles—guaranteed the credibility of the threat.

From Slate Mar. 15, 2016

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