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noise

noun [C/U]
 
 /nɔɪz/

Definition

(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. noisy
 
 /ˈnɔɪ·zi/ adjective [-er/-est only]
The garbage truck is so noisy it wakes me up in the morning.
(Definition of noise noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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