peace·​keep·​ing | \ ˈpēs-ˌkē-piŋ \

Definition of peacekeeping

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

Keep scrolling for more

Other Words from peacekeeping

peacekeeper \ ˈpēs-​ˌkē-​pər \ noun

Examples of peacekeeping in a Sentence

Recent Examples on the Web

At least 12 people died this week in clashes between supporters of Messrs. Fayulu, Tshisekedi and security forces, according to the local U.N. peacekeeping mission, which has warned of the potential of more violence. Gabriele Steinhauser, WSJ, "Congo Opposition Candidate Fayulu Appeals Election Results," 12 Jan. 2019 An African Union peacekeeping force ousted the group from Mogadishu in 2011 and from the southern port of Kismayo the following year. Michael M. Phillips, WSJ, "America’s Other Endless War: Battling al-Shabaab in Somalia," 17 Jan. 2019 The Israeli military insists the entire barrier is being constructed in Israeli territory, and the U.N. peacekeeping force in the area agrees. Fox News, "Israeli wall rising near border with Lebanon stokes tensions," 6 Sep. 2018 Just before becoming secretary-general, Annan served as UN peacekeeping chief and a special envoy to then-Yugoslavia. Emily Stewart, Vox, "Kofi Annan, former UN secretary-general, has died at 80," 18 Aug. 2018 In addition to Desert Storm and Desert Shield, C-5s took part in military and peacekeeping operations in the Balkans, Haiti, and Panama. Kyle Mizokami, Popular Mechanics, "Why the C-5 Galaxy Is Such a Badass Plane," 18 July 2018 Austria's peacekeeping role on the border between Syria and Israel ended in 2013. Fox News, "Austria prosecutors probe UN peacekeepers over Syria ambush," 2 May 2018 But China’s defense strategy in Africa is complicated — it can’t be boiled down to a simple correlation of Chinese interests in natural resources in the places where Chinese peacekeeping units are deployed. Lina Benabdallah, Washington Post, "China-Africa military ties have deepened. Here are 4 things to know.," 6 July 2018 The attack has ripped up a brittle cease-fire negotiated last year by Russia, Jordan and the United States, the Trump administration’s main peacekeeping achievement in Syria. New York Times, "Syrian Assault Flouts U.S.-Backed Cease-Fire and Sets Off New Exodus," 29 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peacekeeping.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of peacekeeping

1910, in the meaning defined above

Keep scrolling for more

Learn More about peacekeeping

Share peacekeeping

Statistics for peacekeeping

Last Updated

18 Feb 2019

Look-up Popularity

Time Traveler for peacekeeping

The first known use of peacekeeping was in 1910

See more words from the same year

More from Merriam-Webster on peacekeeping

Nglish: Translation of peacekeeping for Spanish Speakers

Britannica English: Translation of peacekeeping for Arabic Speakers

Comments on peacekeeping

What made you want to look up peacekeeping? Please tell us where you read or heard it (including the quote, if possible).


very full or close together

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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