a sound, especially one that is loud or unpleasant, unwanted electrical or electromagnetic interference or radiation

make a lot of noise about something, in the noise, cut through the noise

make noise, white noise, background noise

Formal and Informal Expressions of noise

In different contexts, you can replace 'noise' with suitable alternatives. In a more formal setting, 'sound, disturbance' is apt. In informal speech or writing, 'racket, clamor' is a commonplace synonym.

noise: Explore its Definition & Usage

noise Definition

1a sound, especially one that is loud or unpleasant
2unwanted electrical or electromagnetic interference or radiation

Using noise: Examples

Take a moment to familiarize yourself with how "noise" can be used in various situations through the following examples!

Example
The noise from the construction site was unbearable.
Example
She turned up the music to drown out the noise of her neighbors.
Example
The machine makes a lot of noise when it's running.
Example
The noise in the data made it difficult to analyze.

noise Synonyms and Antonyms

Synonyms for noise

Antonyms for noise

Idioms Using noise

make a lot of noise about something
to complain loudly or publicly about something
Example
The media made a lot of noise about the politician's scandal.
in the noise
in a situation where the signal is difficult to distinguish from the surrounding noise, often used in technical or scientific contexts
Example
The data points in the noise were excluded from the analysis.
cut through the noise
to stand out or be noticed in a crowded or noisy environment
Example
Her message cut through the noise and resonated with voters.

Phrases with noise

make noise
to create a disturbance or commotion
Example
The protesters made a lot of noise outside the government building.
white noise
a type of noise that contains many frequencies with equal intensities, often used to mask other sounds
Example
I use a white noise machine to help me sleep at night.
background noise
sounds that are present in an environment but are not the primary focus of attention
Example
The background noise in the restaurant made it hard to hear the conversation.

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Summary: noise in Brief

The term 'noise' [noiz] refers to any sound that is loud or unpleasant, as well as unwanted electrical or electromagnetic interference. It can be used to describe anything from construction noise to data interference, as in 'The noise in the data made it difficult to analyze.' Phrases like 'make noise' and idioms like 'make a lot of noise about something' denote creating a disturbance or commotion, while 'in the noise' refers to a situation where the signal is difficult to distinguish from the surrounding noise.