> A more exact definition of inflation is a sustained increase in the general price level in an economy. Inflation means an increase in the cost of living as the price of goods and services rise.
> Inflation refers to a rise in the average level of prices sustained over time, which also corresponds to a fall in the internal (domestic) purchasing power of money.
> Inflation is the decline of purchasing power of a given currency over time.
https://www.economicshelp.org/macroeconomics/inflation/defin...
> A more exact definition of inflation is a sustained increase in the general price level in an economy. Inflation means an increase in the cost of living as the price of goods and services rise.
https://www.economicsonline.co.uk/Definitions/Inflation.html
> Inflation refers to a rise in the average level of prices sustained over time, which also corresponds to a fall in the internal (domestic) purchasing power of money.