char·la·tan
(shär′lə-tən)n. A person who makes elaborate, fraudulent, and often voluble claims to skill or knowledge; a quack or fraud.
[French, from Italian ciarlatano, probably alteration (influenced by ciarlare, to prattle) of cerretano, inhabitant of Cerreto, a city of Italy once famous for its quacks.]
char′la·tan′ic (-tăn′ĭk), char′la·tan′i·cal adj.
char′la·tan·ism, char′la·tan·ry n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
charlatanic
(ˌʃɑːləˈtænɪk) or charlatanical
adjof or relating to a charlatan
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014