noise

noise — noun

1. A sound that people consider bothersome or unwanted, typically because it is too

1.名詞A2
釋義

A sound that people consider bothersome or unwanted, typically because it is too loud or comes from a disagreeable source.

例句

Amani covered her ears because the noise from the party was too loud.

noise from [source]

The sudden noise of a breaking glass made everyone turn around.

同義詞
  • sound

    the most general term — any audible experience, not necessarily unwanted

  • racket

    informal; a loud, annoying noise from busy activity

  • din

    a loud, continuous, and unpleasant mixture of sounds that goes on for a while

反義詞
  • silence

    absence of any sound

  • quiet

    absence of loud or unwanted sound

用法筆記

When referring to unwanted sound in general, noise is uncountable ('too much noise'). For a specific sound event, it can be countable ('a strange noise').

常見錯誤

There are too many noises in this city.
There is too much noise in this city.
💡General unwanted sound is uncountable.

2. Unwanted changes or disturbances in an electrical signal, such as those that cau

2.名詞B2
釋義

Unwanted changes or disturbances in an electrical signal, such as those that cause static on a radio or snow on a television screen.

例句

The old radio produced a lot of background noise when Matthew turned it on.

background noise

Rodrigo adjusted the cables to reduce the noise in the audio recording.

reduce the noise

同義詞
  • interference

    unwanted signals that disrupt the desired signal, often from an external source

  • static

    a specific type of noise — crackling sounds from electrical interference

  • distortion

    a change in the shape or quality of the original signal, not necessarily random

反義詞

用法筆記

In this technical sense, noise is always uncountable. You can describe its type (e.g., 'hissing noise', 'static noise') but you cannot make it plural.

常見錯誤

The speakers have many noises.
The speakers produce a lot of noise.
💡Electronic noise is uncountable.

3. Information within a collection of data that is not meaningful or useful and mak

3.名詞B2
釋義

Information within a collection of data that is not meaningful or useful and makes it harder to find real patterns or draw clear conclusions.

例句

The survey results contained so much noise that it was hard to draw conclusions.

uncountable: so much noise

Researchers try to remove noise from the data before running their analysis.

remove noise from data

同義詞
反義詞
  • signal

    the meaningful information in a dataset

用法筆記

Often used in the phrase 'signal vs. noise' to contrast useful information against useless background data. Common in research, analytics, and data science contexts.

4. A style of experimental rock music that features extremely loud volumes, distort

4.名詞C1
釋義

A style of experimental rock music that features extremely loud volumes, distortion, feedback, and electronic sounds that may sound unpleasant to many listeners.

例句

The band is known for mixing noise with traditional Japanese instruments.

Christopher went to a noise concert last night and found it surprisingly artistic.

noise concert (attributive noun)

同義詞

noise — verb