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Synonyms

soundproof

American  
[sound-proof] / ˈsaʊndˌpruf /

adjective

  1. impervious to sound.


verb (used with object)

  1. to cause to be soundproof.

soundproof British  
/ ˈsaʊndˌpruːf /

adjective

  1. not penetrable by sound

"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

verb

  1. (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

Other Word Forms

  • soundproofing noun

Etymology

Origin of soundproof

First recorded in 1875–80; sound 1 + -proof

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.

Initial findings from the investigation suggest the fire at Le Constellation bar began as sparklers attached to champagne bottles ignited soundproof foam that lined the ceiling of the bar's basement, which was packed with people.

From BBC

Initial findings from an investigation suggest the fire began as sparklers attached to champagne bottles ignited soundproof foam that lined the ceiling of the bar's basement.

From BBC

In the summer of 2012, prosecutors say, one of those bedrooms was soundproofed.

From The Wall Street Journal

Initial findings from the investigation into the blaze suggest that it was caused by sparklers igniting soundproof foaming that lined the ceiling.

From BBC

Initial findings suggest that the fire was caused by sparklers coming into contact with soundproofing foam installed on the ceiling of the establishment's basement.

From Barron's