"shallow water"
"a shallow dish"
"a shallow cut"
"a shallow closet"
"established a shallow beachhead"
"hit the ball to shallow left field"
"shallow breathing"
"a night of shallow fretful sleep"
"in a shallow trance"
"shallow people"
"his arguments seemed shallow and tedious"
"The silt shallowed the canal"
"the lake shallowed over time"