nflation is:

an increase in certain important prices in the economy.
a once-off increase in prices in general.
a rapid increase in the quantity of money.
a sustained increase in prices in general.
too much money chasing too few goods.

Inflation is a sustained increase in prices in general, leading to a decrease in the purchasing power of a country's currency. It is often caused by factors such as increases in the money supply, higher production costs, or strong consumer demand.