Synonyms of the word

soundproof

• adj. Not allowing sound through.
• v. To make resistant to transmitting sound.

imperviable

• adj. impervious.

impervious

• adj. Unaffected or unable to be affected by.
• adj. Preventive of any penetration; impenetrable, impermeable, particularly of water.
• adj. Immune to damage or effect.

insulate

• v. To separate, detach, or isolate.
• v. To separate a body or material from others, e.g. by non-conductors to prevent the transfer of electricity,…