Noah Webster
Shallow
SHAL'LOW, adjective
1. Not deep; having little depth; shoal; as shallow water; a shallow stream; a shallow brook.
2. Not deep; not entering far into the earth; as a shallow furrow; a shallow trench.
3. Not intellectually deep; not profound; not penetrating deeply into abstruse subjects; superficial; as a shallow mind or understanding; shallow skill.
Deep vers'd in books, and shallow in himself. Milton.
SHAL'LOW, noun A shoal; a shelf; a flat; a sand-bank; any place where the water is not deep.
A swift stream is not heard in the channel, but upon shallows of gravel.
Bacon.
Dash'd on the shallows of the moving sand. Dryden.
SHAL'LOW, verb transitive To make shallow [Little Used.]