Source : Webster's Revised Unabridged Dictionary (1913)

Noisy \Nois"y\, a. [Compar. {Noisier}; superl. {Noisiest}.]
   [From {Noise}.]
   1. Making a noise, esp. a loud sound; clamorous; vociferous;
      turbulent; boisterous; as, the noisy crowd.

   2. Full of noise. ``The noisy town.'' --Dryden.

Source : WordNet®

noisy
     adj : full of or characterized by loud and nonmusical sounds; "a
           noisy cafeteria"; "a small noisy dog" [ant: {quiet}]
     [also: {noisiest}, {noisier}]