Inflation rate can also be referred to as the Consumer Price Index (CPI), which is a measure of the average change in prices of goods and services regularly consumed by households. Another term that can be used as a synonym for inflation rate is price level, which describes the general price levels of goods and services in an economy. Additionally, inflation rate can also be expressed as a percentage increase in the prices of goods and services over a certain period of time. Other synonyms for inflation rate include cost of living, price increase, and inflationary pressure, which all refer to the general increase in the cost of goods and services over time.