Definition of "hyperinflation"

Even though ten years elapsed between the German hyperinflation of 1923 and the seizure of power by Hitler, it is often suggested that the two events are causally related.

1985, Leon N. Lindberg, Charles S. Maier, Brian M. Barry, The Politics of inflation and economic stagnation, page 74

Only inconvertible paper currencies can be expanded rapidly without limit to generate hyperinflation.

1987, Philip Cagan, “Hyperinflation”, in The New Palgrave: A Dictionary of Economics

When hyperinflation peaked, wheelbarrows full of money were required to shop for groceries.

2004, John Barkley Rosser, Marina V. Rosser, Comparative Economics in a Transforming World Economy, page 236