consumer price index
noun
an index of the changes in the cost of goods and services to a typical consumer, based on the costs of the same goods and services at a base period. Abbreviation: CPI
Also called
cost-of-living index.
Origin of consumer price index
First recorded in 1945–50
Words nearby consumer price index
Cultural definitions for consumer price index
consumer price index
An index published by the government each month of prices for a representative sample of goods and services. The consumer price index was formerly known as the cost-of-living index.