pertaining to the sense or organs of hearing, to sound, or to the science of sound.
(of a building material) designed for controlling sound.
of, relating to, or being a musical instrument whose sound is not electrically enhanced or modified.
arranged for or made up of such instruments: an acoustic solo; an acoustic group.
Obsolete. a remedy for deafness or imperfect hearing.
- a·cous·ti·cal·ly, adverb
- non·a·cous·tic, adjective, noun
- non·a·cous·ti·cal, adjective
- non·a·cous·ti·cal·ly, adverb
- un·a·cous·tic, adjective
- un·a·cous·ti·cal, adjective
- un·a·cous·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use acoustic in a sentence
The building possesses about the best acoustical properties of any place of worship in Preston.Our Churches and Chapels | Atticus
We need investigation to determine the laws of the influence of optical and acoustical knowledge upon perception.Criminal Psychology | Hans Gross
Even with the best of acoustical systems, hearing inside a helmet tended to be distorted and dimmed.The Judas Valley | Gerald Vance
Bell suddenly turned aside, because of his acoustical knowledge, and invented the telephone, while Gray kept straight ahead.The History of the Telephone | Herbert N. Casson
Acoustical research was his real interest, and to that he devoted all the time and money he could spare from his business.
British Dictionary definitions for acoustic
of or related to sound, the sense of hearing, or acoustics
designed to respond to, absorb, or control sound: an acoustic tile
(of a musical instrument or recording) without electronic amplification: an acoustic bass; an acoustic guitar
- acoustically, adverb
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