(theater) Sound effects produced offstage. / (by extension) Something occurring on the margins or periphery of a given event, situation etc.

Technical silence. Noise that has a frequency spectrum of predominantly zero power level over all frequencies except for a few narrow bands or spikes.

(sound, headphones) the active cancellation of outside noise by creation of an inverse waveform to null out noise soundwaves within the subject environment

(US, Canada, slang, vulgar) Used to express rejection of or objection to something.

(colloquial) An important or influential person.

(music) A genre of indie pop influenced by noise music.

(music) A genre of indie rock influenced by noise music.

Alternative form of grey noise

(music) A predominantly European noisy genre of electronic music.

plural of big noise