contain

verb

con·​tain kən-ˈtān 

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

: enclose, bound

intransitive verb

: to restrain oneself

containable

kən-ˈtā-nə-bəl 

adjective

Synonyms

• bear
• boast
• hold

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

The Eaton Fire in the Altadena area was 95% contained at 14,021 acres. —Thomas Tracy, New York Daily News, 26 Jan. 2025

The sunscreens contain photolyase to calm and soothe; niacinamide for brightening and collagen production; squalene for hydration; and lingonberry to ward off blue light damage. —Kiana Murden, Vogue, 26 Jan. 2025

Like a giant Jenga tower, the church contained various building support redundancies, such as buttressing, masonry and tie-rods. —John Penney, Hartford Courant, 26 Jan. 2025

The Eaton Fire, which also broke out on Jan. 7 in Pasadena and Altadena, was 95% contained on Sunday after burning more than 14,000 acres, destroying more than 9,400 structures and killing 17 people. —Daniel Amarante, ABC News, 26 Jan. 2025

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

Kids Definition

contain

verb

con·​tain kən-ˈtān 

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