noise
UK: nɔɪz | US: nɔɪz
n. a sound, especially one that is loud, unpleasant, or disturbing
n. unwanted electrical or electromagnetic signals in a communication system
n. irrelevant or meaningless data or information
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The word "noise" traces back to Old French noise (quarrel, uproar), possibly from Latin nausea (discomfort, seasickness). Over time, its meaning shifted from "conflict" to "loud sound" in Middle English. The semantic evolution reflects how chaotic sounds (e.g., arguments) became generalized to any disruptive auditory phenomenon.
The construction site produced constant noise all morning.
She turned up the music to drown out the background noise.
Electronic noise can interfere with radio signals.
The report was full of statistical noise, making conclusions difficult.
Birds chirping at dawn created a pleasant natural noise.