emperorism noun4 •Extreme Japanese nationalism before and during WWII, especially support for the policies of the emperor.He was a known supporter of "emperorism," a term used to describe those who espoused others to give up their life for the emperor and to the oppressive military regime. — 1994 •A belief in or support for the absolute authority of an emperor or similar supreme ruler.The charge that Keppler made most often in his anti-third-term campaign was that of “emperorism,” a fear many Americans shared. — 1988 •The form of government in Japan prior to WWII, with the emperor as head of state.The other portion was emperorism ( tennoism ), an imperial ideology which held up the emperor as the ultimate source of morality and political legitimacy. — 1990 •Synonym of authoritarianism.Wilson and many Americans with him have undergone an ugly development from an honest democratic republicanism to a bedizened emperorism. — 1917