noun
hyperinflation
Economic term for extremely rapid, out-of-control inflation. Often used in discussions of historical or hypothetical economic crises.
ハイパーインフレーションが起きると、紙幣の価値が急激に下がる。
When hyperinflation occurs, the value of paper money drops sharply.
インフレーション is general inflation, while ハイパーインフレーション refers specifically to extreme, runaway inflation.
Loanword from English 'hyperinflation'.