In depreciative sense, chiefly of speech, a speaker, or writer: Superficially bright; brilliant, but shallow; cheaply attractive.

figurative esp. of style, diction, etc.; hence of a speaker or writer: Trumpery.

Of a word: long, polysyllabic; (hence) difficult, learned, esp. as used in a showy or grandiose manner. Of language or a text: that uses such…