Definition of “involve” - English Dictionary

“involve” in British English

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involveverb [ T not continuous ]

uk /ɪnˈvɒlv/ us /ɪnˈvɑːlv/

B1 If an activity, situation, etc. involves something, that thing is a part of the activity, etc.:

Research involving the use of biological warfare agents will be used for defensive purposes.
[ + -ing verb ] The operation involves putting a small tube into your heart.

B1 If a situation involves someone or something, he, she, or it is affected by it:

The second accident involved two cars and a lorry.

B1 to include someone in something, or to make them take part in or feel part of it:

She's been involved with animal rights for many years.
It would be difficult not to involve the child's father in the arrangements.

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(Definition of “involve” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“involve” in American English

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involveverb [ T ]

us /ɪnˈvɑlv, -ˈvɔlv/

involve verb [ T ] (INCLUDE)

to include someone or something in an activity:

The accident involved two cars and a truck.
The operation involves inserting a small tube into the heart.

involve verb [ T ] (MAKE INTERESTED)

to make someone interested in taking part in something:

A good teacher tries to involve children in activities where they interact with each other.

(Definition of “involve” from the Cambridge Academic Content Dictionary © Cambridge University Press)