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.
Plano's Hazmat team placed booms in the creek to slow the spread of oil and began containment work around the storm sewer system. Steven Rosenbaum, CBS News, 1 May 2026 Both locations are at around 35% containment, including Brantley County, which has seen 22,615 acres burned. Moná Thomas, PEOPLE, 30 Apr. 2026 Although containment took more than two months, the damage reshaped the community. Corey Schmidt, Sacbee.com, 30 Apr. 2026 By Spare lithium-ion batteries and power banks must go in carry-on bags due to higher fire risk and lack of containment. Bailey Berg, Travel + Leisure, 24 Apr. 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 5 May. 2026.

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