The defining spirit or mood of a particular period of history as shown by the ideas and beliefs of the time.
Mid 19th century: from German Zeitgeist, from Zeit ‘time’ + Geist ‘spirit’.
“The outfits really captured the zeitgeist of the 60s era.”
Pompous or extravagant in language, style, or manner, especially in a way that is intended to impress.
Late 16th century: from Latin grandiloquus, literally ‘grand-speaking’, from grandis ‘grand’ + loqui ‘speak’. The ending was altered in English by association with eloquent.