downfall /ˈdaʊnfɔːl/noun 3verb 1forms 4 noun3 •A precipitous decline in fortune; death or rapid deterioration, as in status or wealth.Many economic and political reasons led to the downfall of the Roman Empire. •The cause of such a fall; a critical blow or error.Orson Scott Card It is the downfall of evil, that it never sees far enough ahead. •An act of falling down. verb1 •To fall down; deteriorate; decline.Common belief has been that in the future the number of middle managers will downfall due to empowerment and team-building. — 1998 formsdownfell · downfallen · downfalling · downfalls