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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

Other Big Ten schools signed with Nike signed during a stretch between 2015 and 2016 that became an apparel arms race around college football.

From Los Angeles Times Jul. 14, 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

Airlines are in an amenities arms race to stand apart and fly passengers in comfort and style.

From The Wall Street Journal Jun. 28, 2026

But their pleas went unheeded; the prospect of a national strategic advantage galvanized both the U.S.S.R. and the United States, and the nuclear arms race began.

From "Cosmos" by Carl Sagan

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