One who exhibits only superficial knowledge; a self-proclaimed expert with little real understanding.(noun)
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Use "sciolist" in a sentence
"Here above all was silence from all our great orator took delight in, from formidable men, from moral indignation, from the 'sciolist' who 'is never sad,' from all in modern life that would destroy the arts; and here, to take a thought from another playwright of our school, he could love Time as only women and great artists do and need never sell it."
"Notwithstanding, for my money you write both extremely well and at an appropriately level for your subject matter, at a good level for the sciolist (me, your reader, not you)."
"And yet I lately met a sciolist who pompously announced to me this philological absurdity as a discovery of his own."