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sound-proof

adj.

1853, from sound (n.1) + proof (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Examples from the Web for sound-proof
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  • The rapping sounded muffled and dim in that sound-proof place.

    The Yellow Claw Sax Rohmer
  • Pity there isn't a sound-proof room for practising in this school.

    Loyal to the School Angela Brazil
  • In a moment I was within and had swung shut and sealed the sound-proof door.

  • There were no windows, and it appeared to be a kind of sound-proof call-box, which indeed it was.

    Aliens William McFee
  • When the operator informed him that San Pasqual was on the line, Mr. Hennage went into a sound-proof booth and told a lie.

    The Long Chance Peter B. Kyne
  • A sound-proof booth surrounded it in which the operator would not be distracted.

    Tillie Roger Phillips Graham
  • He couldn't have heard much—the walls are sound-proof and the door fairly tight.

  • The walls were hung with a material resembling burlap in appearance, but of special construction and sound-proof.

  • It could hardly have been his hearing, in his own sound-proof sanctuary between double windows and triple doors.

    The Crime Doctor Ernest William Hornung

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