contain

verb

con·​tain kən-ˈtān How to pronounce contain (audio)
contained; containing; contains

transitive verb

1
: to keep within limits: such as
a
: restrain, control
could hardly contain her enthusiasm
b
: check, halt
contain the spread of a deadly disease
Firefighters contained the wildfire.
c
: to follow successfully a policy of containment toward
efforts to contain Communism
d
: to prevent (an enemy or opponent) from advancing or from making a successful attack
2
a
: to have within : hold
The box contains old letters.
b
: comprise, include
The bill contains several new clauses.
3
a
: to be divisible by usually without a remainder
b

intransitive verb

: to restrain oneself
containable adjective
Choose the Right Synonym for contain

contain, hold, accommodate mean to have or be capable of having within.

contain implies the actual presence of a specified substance or quantity within something.

the can contains a quart of oil

hold implies the capacity of containing or the usual or permanent function of containing or keeping.

the bookcase will hold all my textbooks

accommodate stresses holding without crowding or inconvenience.

the hall can accommodate 500 people

Examples of contain in a Sentence

The room was barely big enough to contain everyone who came to the meeting. The book contains over 200 recipes. The article contains information on how to plan your retirement. foods that contain a high level of fat The movie contains something for both children and adults. State health officials have succeeded in containing the virus.
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.
Public figures, academics and everyday business owners have faced consequences for comments and social media posts that contained celebrations or other musings that attracted swift condemnation. Julia Gomez, USA Today, 13 Sep. 2025 In the early colonial period, publications often contained collections of high-profile personalities’ portraits, starting with the depiction of high-ranking Japanese colonial officials began in 1896, with an illustrated account of the Japanese conquest of the island. H.m.a. Leow, JSTOR Daily, 13 Sep. 2025 As of Friday evening, the fire crew succeeded in containing 28% of the wildfire. Ca Wildfire Bot, Sacbee.com, 13 Sep. 2025 Robust documentation remains vital despite the fact that the IRS proposed regulations containing a federal documentation rule was removed. Virginia La Torre Jeker, Forbes.com, 13 Sep. 2025 See All Example Sentences for contain

Word History

Etymology

Middle English conteynen, borrowed from Anglo-French cunteign-, cunteyn-, present tense stem of contenir, cuntenir, going back (with conjugation change) to Latin continēre "to hold together, restrain, have as contents," from con- con- + tenēre "to hold, occupy, possess" — more at tenant entry 1

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of contain was in the 14th century

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Cite this Entry

“Contain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/contain. Accessed 16 Sep. 2025.

Kids Definition

contain

verb
con·​tain kən-ˈtān How to pronounce contain (audio)
1
: to keep within limits : restrain, check
tried to contain my laughter
the forest fire was finally contained
2
: to have within
3
: to consist of : include
4
: to be divisible by especially without a remainder
20 contains 5
containment
-ˈtān-mənt
noun

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