ɪmˈpɪ.ɹi.əl ɪmˈpɪ.ɹi.əl məˈdʒɛstɪk ˈpɜː(ɹ).pəl ˈpɝpəl ˈɹɔɪəl belonging to or befitting a supreme ruler golden age of imperial splendor purple tyrant regal attire treated with royal acclaim the royal carriage of a stag's head befitting or belonging to an emperor or empress imperial palace relating to or associated with an empire imperial colony the imperial gallon was standardized legally throughout the British Empire of or belonging to the British Imperial System of weights and measures a piece of luggage carried on top of a coach a small tufted beard worn by Emperor Napoleon III