shallow

Become shallow.

“the lake shallowed over time”

Make shallow.

“The silt shallowed the canal”

A stretch of shallow water.

Lacking depth of intellect or knowledge; concerned only with what is obvious.

“shallow people”

“his arguments seemed shallow and tedious”

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”

Not deep or strong; not affecting one deeply.

“shallow breathing”

“a night of shallow fretful sleep”