peacekeeping

noun

peace·​keep·​ing ˈpēs-ˌkē-piŋ How to pronounce peacekeeping (audio)
: the preserving of peace
especially : international enforcement and supervision of a truce between hostile states or communities
peacekeeper noun

Examples of peacekeeping in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On Sunday, however, the interim head of the United Nations Interim Force in Lebanon told NPR that for the first time since the war between Israel and Hezbollah started on March 2, the peacekeeping force has recorded no attacks from either side. Chandelis Duster, NPR, 21 June 2026 The royal, who was seen repeatedly blinking before jolting awake, was attending the annual ANZAC Day service at London's Westminster Abbey, which is held to commemorate Commonwealth soldiers from Australia, New Zealand and Canada who served and died in wars and peacekeeping operations. Jennifer Hassan, USA Today, 19 June 2026 More recently, Haiti received another visit by the Brazilian national team when the South American nation led the United Nations peacekeeping mission in the country after 2004’s bloody coup. Jacqueline Charles, Miami Herald, 18 June 2026 As a result, Reagan sent a an international peacekeeping force into Lebanon. Mireille Rebeiz, The Conversation, 18 June 2026 See All Example Sentences for peacekeeping

Word History

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of peacekeeping was in 1910

Browse Nearby Words

Cite this Entry

“Peacekeeping.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peacekeeping. Accessed 29 Jun. 2026.

Kids Definition

peacekeeping

noun
peace·​keep·​ing ˈpē-ˌskē-piŋ How to pronounce peacekeeping (audio)
: the enforcing of a truce between countries or groups by an international military force

More from Merriam-Webster on peacekeeping

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster