vaniloquent

Etymology

From Latin vaniloquens

Adjective

vaniloquent (comparative more vaniloquent, superlative most vaniloquent)

1. Talking in a vain or foolish way
   • 1910, Gustavus Myers, History of the great American fortunes‎:

     The boards of trade and chambers of commerce were largely made up of men who, while assuming the most vaniloquent pretensions, were themselves malodorous with fraud.

   • 1977, Willy Peremans, Historiographia antiqua‎:

     Carthage too was in the hands of the vaniloquent and extravagant Hasdrubal, gross in appearance and utterly callous.