: the preserving of peace
especially : international enforcement and supervision of a truce between hostile states or communities

Examples of peacekeeping in a Sentence

Recent Examples on the Web
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The rights groups said Israel received multiple calls from Lebanese authorities and the United Nations peacekeeping mission in Lebanon, UNIFIL, to allow paramedics to access the site throughout the day. Kareem Chehayeb, Los Angeles Times, 6 Aug. 2026 Their predicament soon attracts the attention of the international media and the UN peacekeeping forces. Leo Barraclough, Variety, 3 Aug. 2026 After several agonizing days, the city fell, and the Dutch UN peacekeeping forces helped separate the women from the men and boys. Janine Di Giovanni, Vanity Fair, 3 July 2026 The peacekeeping force in southern Lebanon, UNIFIL, is made up of roughly 7,500 personnel from nearly 50 countries. Mark Osborne, CBS News, 26 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

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Cite this Entry

“Peacekeeping.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peacekeeping. Accessed 11 Aug. 2026.

Kids Definition

peacekeeping

noun
: the enforcing of a truce between countries or groups by an international military force

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