Simple Definition of soundproof

from our Learner's Dictionary

soundproof

1 of 2

adjective

ˈsaʊndˌpruːf

: not allowing sound to enter or leave

a soundproof room/studio

soundproof walls

soundproof

2 of 2

verb

soundproofs; soundproofed; soundproofing

: to make (something) soundproof

soundproof a room

The studio is soundproofed.

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“Soundproof.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/soundproof. Accessed 23 Jun. 2026.

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Simple Definition of soundproof

soundproof

adjective

verb

Cite this Entry

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