DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   shallow
       adj 1: lacking physical depth; having little spatial extension
              downward or inward from an outer surface or backward or
              outward from a center; "shallow water"; "a shallow dish";
              "a shallow cut"; "a shallow closet"; "established a
              shallow beachhead"; "hit the ball to shallow left field"
              [ant: deep]
       2: not deep or strong; not affecting one deeply; "shallow
          breathing"; "a night of shallow fretful sleep"; "in a shallow
          trance" [ant: deep]
       3: lacking depth of intellect or knowledge; concerned only with
          what is obvious; "shallow people"; "his arguments seemed
          shallow and tedious"
       n 1: a stretch of shallow water [syn: shoal, shallow]
       v 1: make shallow; "The silt shallowed the canal" [syn:
            shallow, shoal]
       2: become shallow; "the lake shallowed over time" [syn:
          shallow, shoal]