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 Word Forms

• soundproofing noun

Word History and Origins

Origin of soundproof¹

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

Example Sentences

Under the reforms, developers seeking to build near venues would be told to soundproof buildings, while permissions would be fast-tracked for new businesses or expanded outdoor areas in designated locations.

From BBC

He was whisked into a soundproof “spa suite,” where the founder, Paul Leonard, and master stylist, Yanko Hernandez, prepared the ingredients for his treatments.

From Los Angeles Times

They tore through the building, sending clouds of soundproofing material through kindergarten classrooms.

From Salon

On Tuesday, Manuel Vicente sat behind his makeshift desk in a soundproof room at the Pasadena Community Job Center, which helps connect day laborers with employment opportunities.

From Los Angeles Times

Enrique works as an engineer and thinks it is "quite impossible to soundproof the stadium".

From BBC