- superficial knowledge.
- rare the practice of opinionating on subjects of which one has only superficial knowledge
n.1610s, “smatterer, pretender to knowledge,” from Late Latin sciolus “one who knows a little,” diminutive of scius “knowing,” from scire “to know” (see science) + -ist. Related: Sciolistic. n.“a show of knowledge,” 1798; see sciolist + -ism.