FAQs About the word soundproof

soundproof

insulate against noise, impervious to, or not penetrable by, sound

Airtight,hermetic,lightproof,waterproof,Waterproof,compact,dense,hermetic,waterproof,Leakproof

Permeable,porous,absorbent,leaky,Penetrable,pervious,unsealed

soundness => soundness, soundman => Soundman, soundly => soundly, soundlessness => Soundlessness, soundlessly => soundlessly,