Meaning of “noisy” - Learner’s Dictionary

noisy

adjective us uk /ˈnɔɪzi/
Extra Examples
The cafe was an oasis in the busy, noisy city.Our main objection to the new factory is that it's noisy.The trains were noisy, dirty, and unreliable.Such a noisy environment was not conducive to a good night's sleep.The people who live upstairs are very noisy.

A2 Noisy people or things make a lot of noise:

A crowd of noisy protesters gathered in the square.
We've had problems with noisy neighbours.
noisily adverb

He revved the engine noisily.

(Definition of “noisy” from the Cambridge Learner’s Dictionary © Cambridge University Press)