Pronunciation: /ɪnstrʊˈmɛnt(ə)l/
adjective
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1serving as a means of pursuing an aim: the Society was instrumental in bringing about legislation
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relating to something’s function as a means to an end: a very instrumental view of education and how it relates to their needs
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2(of music) performed on instruments, with no vocals: a largely instrumental piece
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relating to musical instruments: brilliance of instrumental colour
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3relating to an implement or measuring device: instrumental error instrumental delivery of a baby
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4 Grammar denoting or relating to a case of nouns and pronouns (and words in grammatical agreement with them) indicating a means or instrument.
noun
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1a piece of (usually non-classical) music performed by instruments, with no vocals: the opening tune is an instrumental
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2 (the instrumental) Grammar the instrumental case.
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a noun in the instrumental case.
