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1.
impervious to, or not penetrable by, sound
a soundproof room
'soundproof' - used as a verb
2.
insulate against noise
Proust had his apartment soundproofed
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derived forms
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1. Soundproof / Past
soundproofed
2. Soundproof / Third Person
soundproofs
3. Soundproof / Present Participle
soundproofing
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