# CPI

CEFR C1 · Noun

Source: https://englishreference.com/word/cpi
Updated: 2026-05-09

## Definition

Stands for Consumer Price Index. A number that shows how much the prices of everyday goods and services are changing. It helps people understand if life is becoming more expensive over time.

For teachers: Abbreviation for Consumer Price Index. A statistical measure that examines the weighted average of prices of a basket of consumer goods and services. Used primarily as a macroeconomic indicator to track inflation and deflation trends.

## Examples

- The government released the latest CPI figures this morning.
- Economists predicted a slight rise in the CPI due to the recent increase in global energy costs.
- Central banks closely monitor the CPI to determine whether to adjust interest rates in an effort to maintain price stability and curb excessive inflation.

## Usage notes

- Usually used with the definite article ('the CPI'). When used as a countable noun, it refers to the specific index of a particular country or region.

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