Definitions abound, largely depending on the political slant of the publication or individual.
It is an increase by the government in the supply of money. History has repeated itself innumerably. Franz Pick's book, Monies of the World is filled with nations that over the centuries have subjected their populace to financial ruin through inflation not once, but many times. Some speculate the government's intentions might initially be noble, but the inevitable result is agonizingly predictable. It seems we only learn by our mistakes when we think of them as mistakes.