the retail price index: a measure of inflation (=the rate at which the cost of living is rising or falling). It consists of a list of the prices of some basic goods and services, which is published each month.
Synonyms and related words
Prices and costs
price
cost
charge
the RPI
economicsBritish
US /ˌɑrː piː ˈaɪ/
DEFINITIONS1
1
the retail price index: a measure of inflation (=the rate at which the cost of living is rising or falling). It consists of a list of the prices of some basic goods and services, which is published each month.