Read the dictionary definition of shallow. All definitions for this word.
1. a stretch of shallow water
2. become shallow
1. the lake shallowed over time
3. make shallow
1. The silt shallowed the canal
4. lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center
1. shallow water
2. a shallow dish
3. a shallow cut
4. a shallow closet
5. established a shallow beachhead
6. hit the ball to shallow left field
5. not deep or strong; not affecting one deeply
1. shallow breathing
2. a night of shallow fretful sleep
3. in a shallow trance
6. lacking depth of intellect or knowledge; concerned only with what is obvious
1. shallow people
2. his arguments seemed shallow and tedious