- noun spoiling people’s enjoyment of the outdoors by making a lot of noise
- noun annoying or physically dangerous noise to which people are exposed in their work or home environment and over which they often have no control
- Noise which adversely affects its surrounding environment. Sources include automobiles, aircraft, trains, sea vessels, construction equipment, excessively amplified music, gunfire, explosives, and many other human-created devices and human-based activities.
- noun unpleasant sounds which cause discomfort