instrumental.
Essential or central; of great importance or relevance.
Meaning & usage
Essential or central; of great importance or relevance.
He was instrumental in conducting the business.
Serving as an instrument, medium, means, or agency.
Pertaining to, made by, or prepared for an instrument, especially a musical instrument (rather than the human voice).
instrumental music
an instrumental part
Of or relating to a case expressing means or agency, generally corresponding to the English use of prepositions such as by, with, through, or by means of with the objective case.
the instrumental case
Where this word comes from
From Middle English instrumental, instrumentale, from Medieval Latin īnstrūmentālis, equivalent to instrument + -al.
The instrumental case.
A composition written or performed without lyrics or singing, using a lead instrument to replace vocals.
A pause in the vocals of a song, usually occurring midway through, in which a musical instrument replaces the vocals.
Where this word comes from
From Middle English instrumental, instrumentale, from Medieval Latin īnstrūmentālis, equivalent to instrument + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.