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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.

"NATO as a defensive alliance committed to collective security could never be more important than it is today," Anand told AFP in an interview in Brussels.

From Barron's • May 11, 2026

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

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

“We will have to decide how best to protect our security interests, which, as allies, should be our collective security interests,” he added.

From New York Times • Mar. 14, 2024

The march of science, the expanding economy, the advance in collective security toward a just peace—in this threefold movement our people are creating new standards by which the future of the Republic may be judged.

From State of the Union Address by Eisenhower, Dwight D. (Dwight David)

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