noisemuffling

adjective
UK /ˈnɔɪzˌmʌflɪŋ/
US /ˈnɔɪzˌmʌfəlɪŋ/

Something that makes loud sounds quieter.

The noisemuffling headphones helped her sleep on the noisy train.


OTHER MEANINGS

2. The act of making a sound softer or less harsh.

The noisemuffling of the engine made the car ride much calmer.

3. A material or layer used to block or soften sound.

They added noisemuffling foam to the walls of the recording studio.

4. Describing a device designed to lower volume or noise levels.

The noisemuffling cover on the blender kept the kitchen quiet.