1. to make a room or building resistant to the passage of sound
Usage: third person singular present

Examples

• She soundproofs her home studio with foam panels.
• The contractor soundproofs the recording booth every year.
• He soundproofs his apartment to avoid disturbing neighbors.
• The company soundproofs office spaces for better productivity.
• The musician soundproofs her practice room with heavy curtains.
• The engineer soundproofs the testing facility to contain noise.