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APG.American
Pronunciation Guide
HOW TO PRONOUNCE

acoustic

/əˈkustɪk/

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American Pronunciation Guide · 0:39
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Give “koo” the main beat.

The first vowel is relaxed, and the second syllable has a long oo vowel. Keep the last stik light, with s and t together before its vowel.

3 syllables · Stress on syllable 2

TRY SAYING
“She plays an acoustic guitar.”

APG practice sentence · CC BY-SA 4.0

CMU Pronouncing Dictionary ↗

What does acoustic mean?

adjective

  1. Used for soundproofing or modifying sound.
  2. Of a device or system, using sound energy in its operation.
  3. Of an explosive mine or other weapon, able to be set off by sound waves.
More meanings (6)

adjective

  1. Naturally producing or produced by an instrument without electrical amplification or the need thereof.
  2. (humorous) Nonelectric; mechanical or otherwise basic.
  3. (humorous, offensive) Euphemistic form of autistic.

noun

  1. The properties or qualities of a room or building that determine how sound is transmitted in it.
  2. A medicine or other agent to assist hearing.
  3. Clipping of acoustic guitar.
Wiktionary contributors

Definitions regrouped for readability · CC BY-SA 4.0

IPA pronunciation

/əˈkustɪk/

Pronunciation used in the listening tip.

CMU Pronouncing Dictionary ↗

Pronunciation varies by speaker and region. About these dictionary pronunciations.

In the pages of books

See this word in context.

Here too it is not possible to draw an absolutely definite boundary between acoustic illusions and misunderstandings.
Hans GrossCriminal Psychology: A Manual for Judges, Practitioners, and StudentsTranslated by Horace Meyer KallenProject Gutenberg ebook #1320
But balloons have revealed further suggestive facts with regard to sound, and more particularly with regard to the varying acoustic properties of the air.
John M. (John Mackenzie) BaconThe Dominion of the Air: The Story of Aerial NavigationProject Gutenberg ebook #861
More book examples (3)
He was still busily engaged on the telephone, on acoustic electrical transmission, sextuplex telegraphs, duplex telegraphs, miscellaneous carbon articles, and other inventions of a minor nature.
Frank Lewis Dyer; Thomas Commerford MartinEdison: His Life and InventionsProject Gutenberg ebook #820
Some authors, however, suppose that the cartilage of the shell serves to transmit vibrations to the acoustic nerve; but Mr. Toynbee (29.
Charles DarwinThe Descent of Man, and Selection in Relation to SexProject Gutenberg ebook #2300
The integuments of the face and scalp were capable of receiving acoustic impressions and of transmitting them to the organs of hearing.
George M. (George Milbrey) Gould; Walter L. (Walter Lytle) PyleAnomalies and Curiosities of MedicineProject Gutenberg ebook #747