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.
The rapid influx of new resources and officials in a region raised deep suspicion in the local population, and that suspicion itself remains an obstacle to treatment and containment of the disease. Elizabeth Shackelford, Chicago Tribune, 29 May 2026 Florida's years-long effort to eradicate Burmese pythons and the Great Lakes region's ongoing struggle with zebra and quagga mussels illustrate what happens when early intervention fails, including high costs and potentially endless containment measures. Moná Thomas, PEOPLE, 29 May 2026 What does work is a containment pattern that treats every agent action as an external call requiring authorization at the action level, not the session level. Shreyans Mehta, Forbes.com, 28 May 2026 Health teams are racing to find thousands of people who may have been exposed to the virus while also grappling with myriad challenges that make containment difficult. Jennifer Rigby, USA Today, 28 May 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 Jun. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster