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soundproof

[ sound-proof ]
/ ˈsaʊndˌpruf /
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adjective
impervious to sound.
verb (used with object)
to cause to be soundproof.
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Origin of soundproof

First recorded in 1875–80; sound1 + -proof

OTHER WORDS FROM soundproof

soundproofing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use soundproof in a sentence

British Dictionary definitions for soundproof

soundproof
/ (ˈsaʊndˌpruːf) /

adjective
not penetrable by sound
verb
(tr) to render soundproof
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
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