Meaning of retail price index In English

• 0 a measurement of the changes in the cost of basic goods and services

• 1 in the UK, a list of the prices of some basic goods and services, showing how they change over time, as a way of measuring inflation:

  • Interest payments are increased in line with changes in the retail price index.

  • The retail price index was up 3.6% from a year earlier.

  • the retail price index increases/decreases The Retail Price Index (RPI) increased by 0.4% in May to an annual rate of 2.8%.