instrumental

US /ˌɪn.strəˈmen.t̬əl/
UK /ˌɪn.strəˈmen.t̬əl/
"instrumental" picture
1.

serving as a means of pursuing an aim or policy

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He was instrumental in bringing about the peace treaty.
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Her research was instrumental in changing public opinion.
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pivotalcrucialkeyessentialvital
2.

relating to or played on a musical instrument

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The album features several instrumental tracks.
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She enjoys listening to classical instrumental music.
1.

a piece of music composed or arranged for instruments only, without vocals

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The band opened their set with a powerful instrumental.
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He prefers to compose instrumentals rather than songs with lyrics.
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instrumentstatutory instrumentmusical instrumentstringed instrumentreed instrument