Definition of “instrumental” - English Dictionary

“instrumental” in British English

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instrumentaladjective

uk /ˌɪn.strəˈmen.təl/ us /ˌɪn.strəˈmen.t̬əl/

instrumentalnoun [ C ]

uk /ˌɪn.strəˈmen.təl/ us /ˌɪn.strəˈmen.t̬əl/

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

“instrumental” in American English

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instrumentaladjective

us /ˌɪn·strəˈmen·təl/

instrumental adjective (MUSIC)

instrumental adjective (TOOL)

important in causing something to happen:

As secretary of state, he was instrumental in the creation of NATO.

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