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⇱ soundproof - WordReference.com Dictionary of English

soundproof

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsaʊndpruːf/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈsaʊndˌpruf/ ,USA pronunciation: respelling(sound′pro̅o̅f′)


WordReference Random House Learner's Dictionary of American English © 2026
sound•proof /ˈsaʊndˌpruf/USA pronunciation   adj. 
  1. Physicsnot allowing sound to pass through:a soundproof room.

v. [~ + object]
  1. Physicsto make (a room, etc.) soundproof.
sound•proof•ing, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2026
sound•proof  (sound′pro̅o̅f′),USA pronunciation adj. 
  1. Physicsimpervious to sound.

v.t. 
  1. Physicsto cause to be soundproof.
  • sound1 + -proof 1875–80
sound′proof′ing, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
soundproof /ˈsaʊndˌpruːf/ adj
  1. not penetrable by sound
 vb
  1. (transitive) to render soundproof
'soundproof' also found in these entries (note: many are not synonyms or translations):
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