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

called also cost-of-living index

Examples of consumer price index in a Sentence

Recent Examples on the Web
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May’s consumer price index showed price increases of 2.4% compared to a year ago, and an increase of just 0.1% since April. Megan Poinski, Forbes.com, 16 June 2025 According to Labor Department statistics released Wednesday, the consumer price index rose 0.1% last month, with the 12-month rate of inflation at 2.4% — a moderate gain from 2.3% in April. Tom Chivers, semafor.com, 12 June 2025 The May consumer price index came in cooler than expected, and that's giving a lift to the market. Jim Cramer, CNBC, 11 June 2025 The May consumer price index report, due midweek, could provide insight into whether the tariff rollercoaster is reviving inflation. Medora Lee, USA Today, 10 June 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 Jun. 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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