The sound perfecter and not so shallow and jarring.
--Bacon.
3. Not intellectually deep; not profound; not penetrating
deeply; simple; not wise or knowing; ignorant;
superficial; as, a shallow mind; shallow learning.
The king was neither so shallow, nor so ill
advertised, as not to perceive the intention of the
French king. --Bacon.
Deep versed in books, and shallow in himself.
--Milton.