American English

Definition of noisy adjective from the Oxford Advanced American Dictionary



    (noisier, noisiest)
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  1. 1making a lot of noise noisy children/traffic/crowds a noisy protest (= when people shout) The engine is very noisy at high speed. They are a small but noisy pressure group (= they try to attract attention to their ideas by frequent discussion and argument).
  2. 2full of noise a noisy classroom The streets were very noisy throughout the night.
adverb The children were playing noisily upstairs.
See the Oxford Advanced Learner's Dictionary entry: noisy