Source : Webster's Revised Unabridged Dictionary (1913)

Drizzly \Driz"zly\, a.
   Characterized by small rain, or snow; moist and disagreeable.
   ``Winter's drizzly reign.'' --Dryden.

Source : WordNet®

drizzly
     adj : wet with light rain; "a sad drizzly day"; "a wet drippy day"
           [syn: {drippy}]