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English definition of “noise”


noun [C/U]  /nɔɪz/ us  
(a) sound, esp. when it is unwanted, unpleasant, or loud: [U] I heard background noise on the phone line. [C] If the washing machine gets out of balance, it makes a horrible noise.
adjective [-er/-est only]  /ˈnɔɪ·zi/ us  
The garbage truck is so noisy it wakes me up in the morning.
(Definition of noise from the Cambridge Academic Content Dictionary © Cambridge University Press)
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