acoustic
adjective
acous·tic
ə-ˈkü-stik 
variants
or acoustical
1
: of or relating to the sense or organs of hearing, to sound, or to the science of sounds
acoustic apparatus of the ear
acoustic energy
: such as
a
: deadening or absorbing sound
acoustic tile
b
: operated by or utilizing sound waves
2
: of, relating to, or being a musical instrument whose sound is not electronically modified
Examples of acoustic in a Sentence
the acoustic properties of a room
She loves listening to acoustic folk music.
an acoustic performance of a rock-and-roll song
Recent Examples on the Web
The electric guitar enjoys a bit of bite, but the thin transients strike again and tame the hi-hat hits and the acoustic guitar.
—
PC Magazine, 23 July 2025
This week’s crop of new music includes Zach Bryan teaming with Gabriella Rose for a somber new acoustic ballad, while Thomas Rhett and Jordan Davis partner for an upbeat, reflective new song.
—Jessica Nicholson, Billboard, 21 July 2025
In 2016, when researchers tested implanting smelt with the smallest acoustic transmitter then available, the sensitive fish wouldn’t always survive the process, Chapman says.
—Moira Donovan, Smithsonian Magazine, 21 July 2025
The exhibit also features her first guitar, a Fender acoustic that her father gave her.
—Nancy Kruh, People.com, 19 July 2025
See All Example Sentences for acoustic
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PC Magazine, 23 July 2025
This week’s crop of new music includes Zach Bryan teaming with Gabriella Rose for a somber new acoustic ballad, while Thomas Rhett and Jordan Davis partner for an upbeat, reflective new song.
—Jessica Nicholson, Billboard, 21 July 2025
In 2016, when researchers tested implanting smelt with the smallest acoustic transmitter then available, the sensitive fish wouldn’t always survive the process, Chapman says.
—Moira Donovan, Smithsonian Magazine, 21 July 2025
The exhibit also features her first guitar, a Fender acoustic that her father gave her.
—Nancy Kruh, People.com, 19 July 2025
See All Example Sentences for acoustic
Cite this Entry
“Acoustic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acoustic. Accessed 29 Jul. 2025.
Copy CitationKids Definition
acoustic
adjective
acous·tic
ə-ˈkü-stik
variants
or acoustical
1
: of or relating to the sense or organs of hearing, to sound, or to the science of sounds: as
a
: deadening or absorbing sound
b
: operated by or using sound waves
2
: of, relating to, or being a musical instrument whose sound is not electronically modified
acoustic guitar
Medical Definition
acoustic
adjective
acous·tic
ə-ˈkü-stik
variants
or acoustical
: of or relating to the sense or organs of hearing, to sound, or to the science of sounds
acoustic apparatus of the ear
acoustic energy
: as
a
: deadening or absorbing sound
acoustic tile
b
: operated by or utilizing sound waves
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