ENGLISH DICTIONARY

Noise

Definition, Meaning & Examples

Pronunciation /ˈnoɪ̯z/ · Part of speech noun

Quick meaning: Noise is a noun meaning (uncountable) Various sounds, usually unwanted or unpleasant.

Meaning

(uncountable) Various sounds, usually unwanted or unpleasant.

More Meanings

  1. Any sound.
  2. Sound or signal generated by random fluctuations.
  3. (technology) Any part of a signal or data that reduces the clarity, precision, or quality of the desired output.
  4. (statistics) Variation or deviation generated by random fluctuations.
  5. (figurative, by extension) Unwanted fuss or bustle; useless activity.
  6. (genetics) The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.
  7. Rumour or complaint.

Example Sentences

signal-to-noise ratio
The sudden noise made everyone jump.
She crept up behind him not making a noise.
The heavens turn about in a most rapid motion without noise to us perceived.

Word Forms

Synonyms for noise

Depending on context, synonyms include cacophony, clamour, clash, commotion, din, disquiet.

Antonyms for noise

Common opposites include calm, quiet, silence.

Related Words

Related dictionary entries include disturbance, interference, resound, dissonance, racket, noisy.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.