nonproliferation

adjective

non·​pro·​lif·​er·​a·​tion ˌnän-prə-ˌli-fə-ˈrā-shən How to pronounce nonproliferation (audio)
: providing for the stoppage of proliferation (as of nuclear arms)
nonproliferation treaty
nonproliferation noun

Examples of nonproliferation in a Sentence

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.
Proliferators, including democracies, may be willing to accept the eventual international opprobrium that comes with violating or withdrawing from nonproliferation accords in the name of national security. Vipin Narang, Foreign Affairs, 5 Sep. 2025 But nuclear experts say reprocessing faces economic and nonproliferation concerns and does not prevent the production of nuclear waste. Josh Siegel, Washington Examiner, 24 Feb. 2020

Word History

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of nonproliferation was in 1964

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Cite this Entry

“Nonproliferation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonproliferation. Accessed 18 Sep. 2025.

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