Definition 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.
Origin and Etymology of containment
First Known Use: 1655
CONTAINMENT Defined for English Language Learners
Definition of containment for English Language Learners
: the act of preventing the spread of something
: actions that are intended to keep an unfriendly government from getting more power
Seen and Heard
What made you want to look up containment? Please tell us where you read or heard it (including the quote, if possible).