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collective security

British  

noun

  1. a system of maintaining world peace and security by concerted action on the part of the nations of the world

"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

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.

Though “American hegemony” offered some benefits—“open sea lanes, a stable financial system, collective security and support for frameworks for resolving disputes”—it also required collective self-deception.

From The Wall Street Journal • Jan. 30, 2026

In fact, following the 9/11 attacks, the UK and a number of other allies joined the US from 2001 in Afghanistan after it invoked NATO's collective security clause.

From Barron's • Jan. 23, 2026

"He also said that applying tariffs on allies for pursuing the collective security of Nato allies is wrong," the spokeswoman added.

From BBC • Jan. 18, 2026

The country now benefits from the alliance’s collective security guarantee — Article 5 of its treaty — a vow that an attack on one of them will be met by a response from them all.

From Seattle Times • Mar. 11, 2024

Our goal is collective security for all mankind.

From State of the Union Address by Truman, Harry S.

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