Definition of noise in English:


Syllabification: noise
Pronunciation: /noiz


  • 1A sound, especially one that is loud or unpleasant or that causes disturbance: making a noise like a pig in a trough what’s that rustling noise outside the door?
    More example sentences
    • Science is showing that these booming sounds and other loud noises are harming and even killing marine life.
    • The two of them walked towards the back and Gianni flung open the door to Vito's room as a loud noise came from outside.
    • She was cut short when we heard a loud noise outside.
  • 1.1A series or combination of loud, confused sounds, especially when causing disturbance: dazed with the heat and noise vibration and noise from traffic
    More example sentences
    • They say the venue is inappropriate and raise fears the event will cause suffering to the deer, loud noise and traffic chaos.
    • The background music is played at an unobtrusive level and there is little or no traffic noise to disturb you.
    • There have been widespread complaints from neighbours over loud noise and the extra traffic on a narrow country road.
  • 1.2 (noises) Conventional remarks or other sounds that suggest some emotion or quality: Clarissa made encouraging noises
    More example sentences
    • It traditionally makes critical noises but usually avoids using its veto power.
    • A group of people sitting on the banks of the Todd start shouting at him and making threatening noises.
    • Though the animals could not understand his words, they heard the derision in his tone and responded with offended noises of their own.
  • 2 technical Irregular fluctuations that accompany a transmitted electrical signal but are not part of it and tend to obscure it.
    More example sentences
    • Placing them between the transmitter and the antenna reduces broadband noise and other spurious signals radiated by the transmitter.
    • This can often create a lot of noise, reducing the quality of image obtainable.
    • GPS receivers don't yet work well indoors where electrical wiring and other noise can interfere with their faint signals.
  • 2.1Random fluctuations that obscure or do not contain meaningful data or other information: over half the magnitude of the differences came from noise in the data
    More example sentences
    • If we turn to constraints that contain random noise, the information content decreases further.
    • The separation was robust against the fluctuation caused by random noise.
    • This statistical outlier apparently represented important information rather than noise.


[with object] (usually be noised about) • dated Back to top  
  • 1Talk about or make known publicly: you’ve discovered something that should not be noised about
    More example sentences
    • But now I must ask you not to noise it about to anyone.
  • 1.1 [no object] literary Make much noise.


Middle English (also in the sense 'quarreling'): from Old French, from Latin nausea 'seasickness' (see nausea).

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