soundproof

[ sound-proof ]

adjective

1. impervious to sound.

verb (used with object)

1. to cause to be soundproof.

soundproof

/ ˈsaʊndˌpruːf /

adjective

1. not penetrable by sound

verb

1. tr to render soundproof

Other Words From

• soundproofing noun

Word History and Origins

Origin of soundproof¹

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

Example Sentences

Independent film makers will be able to use special stages, a large soundproof warehouses where films are shot, as well as production offices and workshop space on the site in Iver Heath, Buckinghamshire.

From BBC

I made an appointment for a hearing test at the university hospital, where I was put in a soundproof vault and outfitted with headphones and asked to repeat what was drilled into my ears.

From Salon

The incessant beeping and honking penetrate her soundproof windows.

From Los Angeles Times

Groggy, “with unbrushed teeth,” Moon stepped into the soundproof vocal booth.

From Los Angeles Times

I think that Donald Trump is probably trying to get himself thrown into prison or in a soundproof plexiglass box in the courtroom.

From Salon