collective security

noun

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

Word History

First Known Use

1934, in the meaning defined above

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The first known use of collective security was in 1934

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Style

“Collective security.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/collective%20security. Accessed 31 Oct. 2025.

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collective security

noun

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