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collective security

noun

: the maintenance by common action of the security of all members of an association of nations

Word History

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of collective security was in 1928

Cite this Entry

“Collective security.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collective%20security. Accessed 4 Dec. 2025.

More from Merriam-Webster on collective security

Last Updated: - Definition revised
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