containment

noun

con·​tain·​ment kən-ˈtān-mənt How to pronounce containment (audio)
Synonyms of containmentnext
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.
Boulder Fire Rescue said the fire has a moderate rate of spread and no containment update is available at this time. Christa Swanson, CBS News, 28 Feb. 2026 Aerospace and defense company Ursa Major aims to bring greater containment and control to hypersonic flight with its HAVOC missile – a medium-range vehicle capable of flying in excess of Mach 5, yet designed for low cost and high-volume production. New Atlas, 25 Feb. 2026 Some express skepticism about the underlying premise that amenities and humanizing conditions actually reduce recidivism, viewing stricter punishment and containment as more effective deterrents. Los Angeles Times, 24 Feb. 2026 And needing to rely so much on help in the first place is a ripple effect of lackluster 1-on-1 containment. Bennett Durando, Denver Post, 21 Feb. 2026 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 4 Mar. 2026.

Last Updated: - Updated example sentences
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