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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

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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

The UK and other nations joined the US in Afghanistan after Nato's collective security clause was invoked following the 9/11 attacks.

From BBC Jan. 23, 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

The major concern of each of us should be the promotion of collective security, not the advancement of individual security.

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

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