WordWeb Online

1. Lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a centre
   "shallow water"; "a shallow dish"; "a shallow cut"; "a shallow closet"; "established a shallow beachhead"; "hit the ball to shallow left field"
    
2. Not deep or strong; not affecting one deeply
   "shallow breathing"; "a night of shallow fretful sleep"; "in a shallow trance"
    
3. Lacking depth of intellect or knowledge; concerned only with what is obvious
   "shallow people"; "his arguments seemed shallow and tedious"

1. A stretch of shallow water
   - shoal

1. Make shallow
   "The silt shallowed the canal"
   - shoal
    
2. Become shallow
   "the lake shallowed over time"
   - shoal

Derived forms: shallows, shallowing, shallowed, shallowest, shallower

See also: ankle-deep, deepness, depth, fordable, knee-deep, light, neritic, reefy, shallowly, shallowness, shelfy, shelvy, shoaly, superficial, wakeful

Type of: alter, body of water, change, modify, water

Antonym: deep