That possesses only superficial knowledge; characterized by sciolism; sciolistic. Now rare.

Not thorough, detailed, or complete; cursory. Of knowledge, learning, or ability.

Dabbling; imperfectly learned.

Of a person: lacking depth of character or understanding; concerned only with outward appearances; shallow, frivolous.

figurative. Qualifying an agent-noun, or said of a person with reference to knowledge, exposition, etc. Also †not deeply versed in.

that is a sciolist; characteristic of a sciolist.

Made superficial. Cf. superficialize, v. 3.