Synonyms of containment
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.
Large air tankers were called in Monday night to slow the fire’s eastern spread while firefighters, engines and bulldozers worked to strengthen containment lines. Darrell Smith, Sacbee.com, 21 July 2026 The company had also begun containment and forensic analysis before coordinating with OpenAI on the investigation. Neetika Walter, Interesting Engineering, 21 July 2026 The Willow fire had consumed roughly 7,196 acres with 41% containment as of Tuesday morning, according to fire officials. Lauren Penington, Denver Post, 21 July 2026 On Sunday evening, the fire was mapped at 29,752 acres (46 square miles), and containment was estimated at 5%, CalFire said. Bay Area News Group, Mercury News, 20 July 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 2 Aug. 2026.

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