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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

“He is determined to operationalize his nuclear arsenal and is developing a credible second-strike capability.”

From Washington Times Apr. 19, 2023

“In other words, to stop the Chinese having a second-strike nuclear capability against the United States,” Keating said.

From Seattle Times Nov. 9, 2021

Finally, proponents argued, if the U.S. declared that it no longer found the bomb useful except as a second-strike deterrent, maybe other countries would steer clear of the nuclear genie.

From Slate Jul. 31, 2019

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

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