'Charlatan' definitions:

Definition of 'charlatan'

From: WordNet
noun
A flamboyant deceiver; one who attracts customers with tricks or jokes [syn: mountebank, charlatan]

Definition of 'Charlatan'

From: GCIDE
  • Charlatan \Char"la*tan\, n. [F. charlatan, fr. It. ciarlatano, fr. ciarlare to chartter, prate; of imitative origin; cf. It. zirlare to whistle like a thrush.] One who prates much in his own favor, and makes unwarrantable pretensions; a quack; an impostor; an empiric; a mountebank. [1913 Webster] Charlatanic

Synonyms of 'charlatan'

From: Moby Thesaurus