from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A person who makes elaborate, fraudulent, and often voluble claims to skill or knowledge; a quack or fraud.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A malicious trickster; a fake person, especially one who deceives for personal profit.
from the GNU version of the Collaborative International Dictionary of English
- n. One who prates much in his own favor, and makes unwarrantable pretensions; a quack; an impostor; an empiric; a mountebank.
from The Century Dictionary and Cyclopedia
- n. One who pretends to knowledge, skill, importance, etc., which he does not possess; a pretender; a quack, mountebank, or empiric.
- n. Synonyms Impostor, cheat, pretender; Mountebank, etc. (see quack).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a flamboyant deceiver; one who attracts customers with tricks or jokes
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.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French charlatan, from Italian ciarlatano ("quack"), a blend of ciarlatore ("a chatterer") and cerretano ("a hawker, quack"), literally, a native of Cerreto, a village in Umbria, known for its quacks. (Wiktionary)