consumer price index

noun

: an index measuring the change in the cost of typical wage-earner purchases of goods and services expressed as a percentage of the cost of these same goods and services in some base period
abbreviation CPI

called also cost-of-living index

Examples of consumer price index in a Sentence

Recent Examples on the Web
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The November consumer price index is due out on Thursday. Hugh Leask,holly Ellyatt, CNBC, 15 Dec. 2025 The federal government shutdown shuttered the Bureau of Labor Statistics for the month of October, preventing agency staff from gathering the statistics needed to compile the employment and consumer price index reports for that month. Sylvan Lane, The Hill, 10 Dec. 2025 Electricity and natural gas for heating and cooking are now the leading pressures on inflation in 2025, even exceeding food and grocery costs, according to the latest consumer price index data. Jordan Blum, Fortune, 9 Dec. 2025 Real average weekly earnings have risen a modest 1.2% since Trump took office in January, and excluding housing costs, the consumer price index is up 2.2%. Tiana Lowe Doescher, The Washington Examiner, 28 Nov. 2025 See All Example Sentences for consumer price index

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of consumer price index was in 1945

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Cite this Entry

“Consumer price index.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/consumer%20price%20index. Accessed 19 Dec. 2025.

Legal Definition

consumer price index

noun
consumer price in·​dex
: an index measuring the change in the cost of typical wage-earner purchases of goods and services in some base period

called also cost-of-living index

More from Merriam-Webster on consumer price index

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