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arms race

American  

noun

  1. competition between countries to achieve superiority in quantity and quality of military arms.


arms race British  

noun

  1. the continuing competitive attempt by two or more nations each to have available to it more and more powerful weapons than the other(s)

"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

Etymology

Origin of arms race

First recorded in 1935–40

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:

If it does make a bomb, a regional arms race could ensue.

From Slate Jul. 23, 2026

A growing sense of fatigue with the artificial intelligence trade and the related arms race is prompting one strategist to advise that investors stick with the so-called picks and shovels rather than the spenders.

From MarketWatch Jul. 10, 2026

Romania’s president said he also supported the sentiment, but asked, wouldn’t this spark an arms race on the continent?

From The Wall Street Journal Jul. 6, 2026

Both OpenAI and Anthropic have filed confidential IPO documents with US regulators and are targeting public listings at valuations approaching $1 trillion, raising the commercial stakes of the AI arms race between them.

From Barron's Jun. 26, 2026

If America wanted to understand the USSR's latest ploy in the arms race, they needed someone on the ground, in the Soviet Union itself.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau

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