noun
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the act of inflating or state of being inflated
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economics a progressive increase in the general level of prices brought about by an expansion in demand or the money supply ( demand-pull inflation ) or by autonomous increases in costs ( cost-push inflation ) Compare deflation
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informal the rate of increase of prices
Other Word Forms
- anti-inflation noun
- noninflation noun
- overinflation noun
- reinflation noun
- self-inflation noun
Etymology
Origin of inflation
First recorded in 1300–50; Middle English inflacio(u)n, from Latin inflātiōn-, stem of inflātiō, equivalent to inflāt(us), past participle of inflāre “to blow on or into, puff out” + -iō -ion; inflate
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tuition that outpaced inflation for decades has saddled students and families with high debt and yielded uneven returns on the time and money poured into a four-year degree.
From The Wall Street Journal • Apr. 9, 2026
Erasing the risk of severe demand destruction leaves an inflation problem that wasn’t fully extinguished before the war, plus elevated energy prices are likely to remain a problem.
From The Wall Street Journal • Apr. 8, 2026
Even if the conflict ends within the next two weeks, the Food and Drink Federation expects UK food inflation to reach at least 9% before the end of the year.
From BBC • Apr. 8, 2026
And the spread hit nearly 6% in the summer of 2023 due to fears about inflation reaching 9%.
From Barron's • Apr. 8, 2026
Soon, there were food shortages, and inflation made their money so worthless that people began burning it for fuel.
From Nazi Saboteurs by Samantha Seiple
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.