containment

noun

con·​tain·​ment kən-ˈtān-mənt How to pronounce containment (audio)
1
: the act, process, or means of keeping something within limits
the containment of health costs
2
: the policy, process, or result of preventing the expansion of a hostile power or ideology

Examples of containment in a Sentence

The company's hazardous waste containment plan is being reviewed. The government needs to adopt a containment strategy.
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.
Fire containment Interpreting what 84% containment means The percentage indicates how much of the fire perimeter has been surrounded by a control line. Ca Wildfire Bot, Sacbee.com, 14 Aug. 2025 Meanwhile, the White Sage Fire burning farther north on the Kaibab Plateau has remained at 95% containment. Helen Rummel, AZCentral.com, 14 Aug. 2025 At this time, there is no information on the containment of the fire and the cause of it remains undetermined. Ca Wildfire Bot, Sacbee.com, 2 Aug. 2025 As of July 31st, a red flag warning was in effect for central and southern Utah as a result on ongoing low humidity and breezy weather, which can interfere with containment efforts. Maria Azzurra Volpe, MSNBC Newsweek, 1 Aug. 2025 See All Example Sentences for containment

Word History

Etymology

contain + -ment

First Known Use

1655, in the meaning defined at sense 1

Time Traveler
The first known use of containment was in 1655

Browse Nearby Words

Cite this Entry

“Containment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/containment. Accessed 20 Aug. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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