Back-up
Instrument and back-up are semantically related. In some cases you can use "Instrument" instead a noun phrase "Back-up".
Instrument
Instrument noun - A written or printed paper giving information about or proof of something.
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Synonyms for Instrument
Back-up and instrument are semantically related. Sometimes you can use "Back-up" instead a noun "Instrument".
Both words in one sentence
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Instrument of Murder: "Death to a Jazz Beat" offered an inversion; a jazz clarinetist, who was planning on firing his back-up band before signing a huge recording contract was murdered by a poisoned clarinet reed.
Source: Series / Murder, She Wrote
Cite this Source
Instrument and Back-up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/back-up/instrument
Back-up & Instrument. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/back-up/instrument>.
Instrument or Back-up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/back-up/instrument.