adjective

pompous or extravagant in language, style, or manner, especially in a way that is intended to impress.

a grandiloquent celebration of Spanish glory

pompous,bombastic,magniloquent,pretentious,ostentatious,high-flown,high-sounding,rhetorical,orotund,fustian,florid,flowery,laboured,strained,overwrought,overblown,overripe,overdone,wordy,periphrastic,epic,Homeric,Miltonian,highfalutin,purple,tumid,pleonastic,euphuistic,aureate,hyperventilated