Stagflation is persistent high inflation combined with high unemployment and stagnant demand in a country’s economy.
Disinflation reduction in the rate of inflation.
Deflation reduction of the general level of prices in an economy. Inflation in minus.
Reflation is the act of stimulating the economy by increasing the money supply or by reducing taxes, seeking to bring the economy (specifically price level) back up to the long-term trend, following a dip in the business cycle.
Skewflation refers to inflation in some commodities, deflation in others.
Recession a period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.