noisy

noisy — adjective

1. producing many loud sounds that disturb or annoy people

1.形容詞A2
釋義

producing many loud sounds that disturb or annoy people

例句

Eitan could not sleep because the noisy party next door went on until dawn.

noisy + noun (party / traffic / neighbours)

The street market in Taipei was too noisy for Lakshmi to hear phone calls clearly.

too noisy for [someone] to [verb]

同義詞
  • loud

    broader — describes any high volume, not only unpleasant sounds

  • rowdy

    specifically about people making noise in a disorganised or disruptive way

  • deafening

    much stronger — so loud that you cannot hear anything else

反義詞
  • quiet

    general opposite; making little or no sound

  • peaceful

    describes a place without disturbing noise

文法句型

noisy + noun

be + noisy

too noisy to + verb

常見錯誤

The room was noisy with people.
The room was noisy because of the people.
💡'noisy with' is not a standard pattern; describe the source separately.
A noisy noise came from outside.
A loud noise came from outside.
💡'noisy' describes a source, not a single sound; use 'loud' for one-off sounds.

2. containing unwanted static, crackling, or random changes that spoil the quality

2.形容詞C1
釋義

containing unwanted static, crackling, or random changes that spoil the quality of an electronic signal or transmission

例句

Christopher could barely understand the conversation because the phone line was noisy.

be + noisy (phone line / signal / connection)

The video footage from Élise's camera was too noisy to use in the film.

同義詞
  • static

    narrower — specifically describes a crackling sound caused by electrical interference

  • corrupted

    stronger — the signal is damaged to the point of being unusable

  • interference-filled

    more technical; describes a signal disrupted by external sources

反義詞
  • clear

    opposite; a clean, undistorted signal

  • clean

    technical opposite; free from unwanted changes or noise

文法句型

noisy + noun (signal / line / feed)

be + noisy

用法筆記

Describes audio signals, radio transmissions, photographs, or video where interference is present. Distinguished from sense 3 by context — sense 2 applies to physical electronic signals, while sense 3 applies to abstract data or information.

常見錯誤

This data is very noisy.' (talking about research data)
This data contains a lot of noise.' or use sense 3
💡for research data, use sense 3, not sense 2.

3. containing random, meaningless information that makes it difficult to clearly se

3.形容詞C1
釋義

containing random, meaningless information that makes it difficult to clearly see useful patterns or reliable conclusions in data

例句

Kemi deleted the noisy survey responses before running her analysis.

noisy + noun (data / responses / readings)

The machine-learning model failed because it was trained on noisy data.

同義詞
  • corrupted

    stronger — data that is damaged or unreadable, not just containing random variation

  • messy

    informal; describes data that is disorganised or contains errors

  • unreliable

    broader — data that cannot be trusted for any reason, not just random noise

反義詞
  • clean

    technical opposite; data that has been processed to remove irrelevant information

  • reliable

    data that can be trusted for analysis

文法句型

noisy + noun (data / readings / measurements)

be + noisy

用法筆記

Common in computing, statistics, and research contexts. The subject is typically datasets, readings, images (as data), or measurements. Distinguished from sense 2 by domain — sense 3 is about abstract data sets, not physical electronic signals.

常見錯誤

I could not hear the song because the file was noisy.
I could not hear the song because the file contained audio noise.
💡For audio files, use sense 2 unless you are referring to the data quality in a technical sense.

4. having very strong or bright colours that attract attention in a way that is not

4.形容詞B2
釋義

having very strong or bright colours that attract attention in a way that is not elegant or pleasing

例句

The teenager wore a noisy yellow hoodie that his parents thought looked ridiculous.

Quinn refused to wear the noisy floral shirt his aunt chose for the wedding.

noisy + noun for colourful clothing (shirt / dress / pattern)

同義詞
  • gaudy

    more precise; describes something decorated too brightly or showily

  • loud

    more common for this meaning; equally informal

  • garish

    stronger disapproval; unpleasantly bright, especially in a clash of colours

  • flashy

    attracts attention through bright appearance, sometimes in a stylish way

反義詞
  • subtle

    opposite; understated and not attracting attention

  • muted

    specifically about colours that are soft and not bright

  • elegant

    tasteful and refined, the opposite of gaudy

文法句型

noisy + noun (colours / patterns / shirt)

be + noisy

用法筆記

Used negatively about fashion, interior design, or art. Unlike sense 1, this sense cannot describe actual sound — it is a visual metaphor. 'Loud' is a more common alternative for this meaning.

常見錯誤

She wore a noisy pink dress.' (unclear — sounds like it makes sound)
She wore a bright, noisy pink dress.
💡Clarify that 'noisy' refers to the colour, not actual sound.