Sciolist

Sci"o*list (?), n. [L. sciolus. See Sciolous.] One who knows many things superficially; a pretender to science; a smatterer.

These passages in that book were enough to humble the presumption of our modern sciolists, if their pride were not as great as their ignorance.
Sir W. Temple.

A master were lauded and sciolists shent.
R. Browning.