Meaning of the word "be instrumental in" in English

What does "be instrumental in" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be instrumental in

US /biː ˌɪn.strəˈmen.t̬əl ɪn/
UK /biː ˌɪn.strəˈmen.təl ɪn/
"be instrumental in" picture

Idiom

to be important in making something happen

Example:
She was instrumental in the success of the project.
The new evidence was instrumental in solving the case.