acoustic
Americanadjective
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pertaining to the sense or organs of hearing, to sound, or to the science of sound.
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(of a building material) designed for controlling sound.
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Music.
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of, relating to, or being a musical instrument whose sound is not electrically enhanced or modified.
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arranged for or made up of such instruments.
an acoustic solo; an acoustic group.
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noun
adjective
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of or related to sound, the sense of hearing, or acoustics
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designed to respond to, absorb, or control sound
an acoustic tile
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(of a musical instrument or recording) without electronic amplification
an acoustic bass
an acoustic guitar
Other Word Forms
Etymology
Origin of acoustic
From the Greek word akoustikós, dating back to 1595–1605. See acouasm, -tic
Explanation
Acoustic means having to do with sound. In concert halls, acoustic panels direct the way sound moves. An audio engineer is trained in acoustic design for music recording. If you prefer the softer sound of acoustic rock, it means you like rock played on acoustic instruments. These include the guitar, violin, 'cello, viola, or harp––anything really that does not rely on electrical amplification to be heard. If a room has good acoustics, it means sound travels clearly and consistently through the space, and it's good for concerts.
Vocabulary lists containing acoustic
Music - Introductory
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Music - Middle School
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"Coming to Our Senses," Vocabulary from the science essay
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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.
Born from Wolf’s real frustrations in a long-term relationship, the melodramatic hit bubbles with acoustic guitar and low, vocal flip-laced mourning to amplified crescendos, replete with punchy garage-rock drumming and Wolf’s howling chorus.
From Los Angeles Times ● Oct. 12, 2026
Some have proposed reimbursing fishers or using acoustic deterrents instead of mass slaughter.
From Salon ● Oct. 9, 2026
"This does not mean that the species has undergone a permanent or evolutionary change in its vocal frequency; rather, our findings suggest behavioural flexibility in response to different acoustic environments," Lochan said.
From BBC ● Oct. 6, 2026
The findings, published in Integrative Organismal Biology, provide the first quantified evidence that free swimming sharks can detect and orient away from sounds in the acoustic far field.
From Science Daily ● Sep. 30, 2026
He pulled his battered and scarred acoustic guitar from its case.
From "The Serpent King" by Jeff Zentner
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
