1.a stretch of shallow water
2.lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center;
shallow water
3.not deep or strong; not affecting one deeply;
shallow breathing
4.lacking depth of intellect or knowledge; concerned only with what is obvious;
shallow people
1.make shallow;
The silt shallowed the canal
2.become shallow;
the lake shallowed over time