(1):
(v. i.) To become shallow, as water.
(2):
(superl.) Not deep; having little depth; shoal.
(3):
(n.) A place in a body of water where the water is not deep; a shoal; a flat; a shelf.
(4):
(superl.) Not intellectually deep; not profound; not penetrating deeply; simple; not wise or knowing; ignorant; superficial; as, a shallow mind; shallow learning.
(5):
(n.) The rudd.
(6):
(v. t.) To make shallow.
(7):
(superl.) Not deep in tone.