soundproofs
sound-proofs
verb
Makes a space or object impervious to the passage of sound.
"The new material soundproofs the recording booth effectively."
Thesaurus
Synonyms: impervious, imperviable
sound-proofs
Makes a space or object impervious to the passage of sound.
"The new material soundproofs the recording booth effectively."
Synonyms: impervious, imperviable