English Reference
verb

contain

v.
US /kənˈteɪn/ UK /kəntˈeɪn/ con·tain UK spelling contains

  1. 01 A2 Elementary

    to have something inside, like a box or a bottle.

    to hold or have within; to be a container for a physical substance.

    Simple

    This bottle can contain up to two litres of water.

    In context

    The ancient ceramic vessel was found to contain traces of olive oil and wine, suggesting it was used for long-distance trade.

    Usage

    Always transitive; requires a direct object.

  2. 02 B1 Intermediate

    to have something as a part of a whole.

    to include or comprise something as a constituent part or element.

    Simple

    The document contains all the information you need for the trip.

    In context

    The final report contains several recommendations for improving safety standards across the entire manufacturing sector.

    Usage

    Often used in the passive voice in formal writing.

  3. 03 B2 Upper Intermediate

    to keep a strong feeling or a situation under control.

    to restrain or keep within bounds; often applied to emotions or the spread of something harmful.

    Simple

    She could hardly contain her excitement when she heard the news.

    In context

    Emergency services worked through the night to contain the fire before it reached the nearby residential area.

    Usage

    Commonly used with abstract nouns like 'excitement', 'anger', or 'outbreak'.

  4. 04 C1 Advanced Technical Math

    to have a number or a group as a part of a larger group.

    to have as an element or a subset within a mathematical set.

    Simple

    Set A contains all the even numbers between one and ten.

    In context

    In this proof, we must demonstrate that the larger set contains the subset of all prime integers.

    Usage

    Used specifically to describe the relationship between sets and their elements.

Don't confuse

contain vs consist — Consist describes the components that make up the whole, while contain describes what is held inside a space or container.

Don't confuse

contain vs include — Include lists one or more parts of a larger group; contain describes what is physically or conceptually held inside a boundary.

Usage contain water · contain large · contain light


From Middle English, borrowed from Old French contenir, from Latin continēre (“to hold or keep together, comprise, contain”), combined form of con- (“together”) + teneō (“to hold”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin continēre
Level A2 · Elementary
Frequency Common
Updated