noiseless

noiseless — adjective

1. not making any detectable sound — describes equipment, movements, or places that

1.形容詞B2
釋義

not making any detectable sound — describes equipment, movements, or places that operate or exist without audible noise.

例句

Nia's new laptop fan is nearly noiseless, even when running heavy programs.

collocation: nearly noiseless / noiseless + fan

The elevator made a noiseless journey to the top floor of the Watanabe Building.

noiseless journey — noun phrase describing a machine's operation

同義詞
  • silent

    more common and stronger — suggests a complete absence of any sound; can also mean 'not speaking'

  • quiet

    the most frequent everyday word — covers a range from 'low volume' to 'making little noise'

  • soundless

    rare and literary — creates a vivid, almost poetic image of total quiet

反義詞
  • noisy

    the direct opposite — producing loud or unwanted sound

  • loud

    stronger than noisy — describes a high volume of sound

文法句型

noiseless + noun

be + noiseless

用法筆記

Less frequent than 'quiet' or 'silent' and more formal in tone. Common in technical descriptions (noiseless printer, noiseless keyboard) and literary scenes (noiseless footsteps, noiseless night). Not typically used to describe a person's manner or behaviour in everyday speech.

常見錯誤

❌The cat was noiseless as it moved.
✅The cat was quiet as it moved.
💡'noiseless' sounds too formal for describing an animal; 'quiet' is the natural choice.
❌Please be noiseless during the exam.
✅Please be quiet during the exam.
💡'quiet' is the standard word for telling someone to stop making noise; 'noiseless' is not used in instructions.