n. The quality of showing opinions on at least one subject of which the perpetrator has little or no knowledge, the practice of this, an instance of the practice of this.
the GNU version of the Collaborative International Dictionary of English
n. The knowledge of a sciolist; superficial knowledge.
The Century Dictionary and Cyclopedia
n. Superficial knowledge; unfounded pretense to profound or scientific knowledge.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. pretentious superficiality of knowledge
Word Usage
"The marvelous restoration of its prosperity by the genius of Colbert, the ruin caused by the malign sciolism of Law, are familiar to all students of political economy."