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
ˈpēs-ˌkē-pər How to pronounce peacekeeping (audio)
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.
As a result, Reagan sent a an international peacekeeping force into Lebanon. — Mireille Rebeiz, The Conversation, 18 June 2026 Anzac Day, observed in Australia and New Zealand, honors military service members who have served and died in wars, conflicts and peacekeeping operations. — Ashley Vega, PEOPLE, 27 Apr. 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 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 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

Rhymes for peacekeeping

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Browse Nearby Words

peacekeeper
peacekeeping
peaceless
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Cite this Entry

“Peacekeeping.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peacekeeping. Accessed 8 Jul. 2026.

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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

Nglish: Translation of peacekeeping for Spanish Speakers

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