grandeur UK /ˈɡɹæn.djʊə/US /ˈɡɹæn.d͡ʒɚ/ noun3 •The state of being grand or splendid; magnificence.I wrapp’d myself in grandeur then, And donn’d a visionary crown —— — 1829 •Nobility (state of being noble). •(no longer used, rare) Greatness; largeness; tallness; loftiness. formsgrandeurs