in·​fla·​tion | \ in-ˈflā-shən How to pronounce inflation (audio) \

Definition of inflation

1 : an act of inflating : a state of being inflated: such as
b : a hypothetical extremely brief period of very rapid expansion of the universe immediately following the big bang
c : empty pretentiousness : pomposity
2 : a continuing rise in the general price level usually attributed to an increase in the volume of money and credit relative to available goods and services

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Examples of inflation in a Sentence

the inflation of a balloon The government has been unable to control inflation. The rate of inflation is high.
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Recent Examples on the Web In November the interest rate should update to reflect the inflation rate from March to September 2021. Simon Moore, Forbes, 14 Sep. 2021 Since 2001, El Salvador’s average annual inflation rate of 2.03 percent has been the lowest in Latin America. Andrew Stuttaford, National Review, 10 Sep. 2021 In 2014, economists found that a one-percentage-point increase in unemployment lowers national well-being by more than five times as much as a one-point increase in the inflation rate. Arthur C. Brooks, The Atlantic, 2 Sep. 2021 Even when yields on the 10-year Treasury bond spiked to their highest since before the pandemic earlier this year, pushed up by worries about an overheating economy and higher inflation, yields were really still quite low. Anneken Tappe, CNN, 25 Aug. 2021 On Wednesday morning, the U.S. Labor Department reported a 5.4% increase in the consumer price index in July, marking the highest inflation rate since August 2008. Benzinga, Detroit Free Press, 15 Aug. 2021 San Diego County’s inflation rate in March was 4.1 percent, so that would limit rent increases to 9.1 percent. San Diego Union-Tribune, 13 Aug. 2021 Analysts are expecting the latest U.S. headline inflation rate, due Wednesday, to grow at a slower pace of 5.3% in July from a year earlier. Annabelle Liang, ajc, 11 Aug. 2021 Lebanon is now the first country in the Middle East and North Africa to see its inflation rate exceed 50% for 30 consecutive days, according to Steve H. Hanke, a professor of applied economics at the Johns Hopkins University. Guy Davies, ABC News, 4 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inflation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of inflation

14th century, in the meaning defined at sense 1

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Time Traveler for inflation

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The first known use of inflation was in the 14th century

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Last Updated

17 Sep 2021

Cite this Entry

“Inflation.” Dictionary, Merriam-Webster, Accessed 20 Sep. 2021.

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More Definitions for inflation



English Language Learners Definition of inflation

: an act of inflating something : the state of being inflated
: a continual increase in the price of goods and services


in·​fla·​tion | \ in-ˈflā-shən How to pronounce inflation (audio) \

Kids Definition of inflation

1 : an act of filling with air or gas : the state of being filled with air or gas inflation of a balloon
2 : a continual rise in the price of goods and services

More from Merriam-Webster on inflation

Nglish: Translation of inflation for Spanish Speakers

Britannica English: Translation of inflation for Arabic Speakers Encyclopedia article about inflation


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