S: (adj) shallow (shallow%3:00:01::) (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"
S: (adj) shallow (shallow%3:00:02::) (not deep or strong; not affecting one deeply) "shallow breathing"; "a night of shallow fretful sleep"; "in a shallow trance"
S: (adj) shallow (shallow%3:00:00:superficial:00) (lacking depth of intellect or knowledge; concerned only with what is obvious) "shallow people"; "his arguments seemed shallow and tedious"