soundproof

[ sound-proof ]
/ ˈsaʊndˌpruf /

adjective

impervious to sound.

verb (used with object)

to cause to be soundproof.

QUIZZES

Can You Ace This Quiz About “Compliment” vs. “Complement”?
Take this quiz to see if you really know the difference between “compliment” and “complement"!
Question 1 of 11
“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

Origin of soundproof

First recorded in 1875–80; sound1 + -proof

OTHER WORDS FROM soundproof

sound·proof·ing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for soundproof

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