Dictionary.com
Thesaurus.com
Synonyms

instrumental

American  
[in-struh-men-tl] / ˌɪn strəˈmɛn tl /

adjective

  1. serving or acting as an instrument or means; useful; helpful.

    Synonyms:
    effective, effectual, implemental
  2. performed on or written for a musical instrument or instruments.

    instrumental music.

  3. of or relating to an instrument or tool.

  4. Grammar.

    1. (in certain inflected languages, as Old English and Russian) noting or pertaining to a case having as its distinctive function the indication of means or agency, as Old English beseah blīthe andweitan “looked with a happy countenance.”

    2. noting the affix or other element characteristic of this case, or a word containing such an element.

    3. similar to such a case form in function or meaning, as the Latin instrumental ablative, gladiō, “by means of a sword.”

    4. (in case grammar) pertaining to the semantic role of a noun phrase that indicates the inanimate, nonvolitional, immediate cause of the action expressed by a verb, as the rock in The rock broke the window or in I broke the window with the rock.


noun

  1. Grammar.

    1. the instrumental case.

    2. a word in the instrumental case.

    3. a construction of similar meaning.

  2. a musical composition played by an instrument or a group of instruments.

instrumental British  
/ ˌɪnstrəˈmɛntəl /

adjective

  1. serving as a means or influence; helpful

  2. of, relating to, or characterized by an instrument or instruments

  3. played by or composed for musical instruments

  4. grammar denoting a case of nouns, etc, in certain inflected languages, indicating the instrument used in performing an action, usually translated into English using the prepositions with or by means of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a piece of music composed for instruments rather than for voices

  2. grammar

    1. the instrumental case

    2. a word or speech element in the instrumental case

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • instrumentality noun
  • instrumentally adverb
  • noninstrumental adjective
  • noninstrumentally adverb
  • uninstrumental adjective
  • uninstrumentally adverb

Etymology

Origin of instrumental

First recorded in 1350–1400; Middle English word from Medieval Latin word instrūmentālis. See instrument, -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Venezuelan artist Raniero Palm, who is nominated for best classical instrumental solo for Hope Orchestrated, made a not-so-subtle political statement when he walked the red carpet with his country's flag.

From BBC

He credits chess as instrumental in his development.

From Barron's

During an interview with MarketWatch, he discussed “geopolitical crosscurrents” that had been instrumental in pushing up gold prices and pressuring “the long end of sovereign bond markets.”

From MarketWatch

Jazz legend Louis Armstrong reshaped music in the 20th century, developing the instrumental solo as we know it and inspiring generations to let loose and get personal with their singing.

From The Wall Street Journal

I am sure Jonny will be instrumental in encouraging Michael to keep looking within, and not always outside the ranks, when thinking of young talent.

From BBC