The term "wholesale price index" refers to a measure of price changes in bulk goods sold by wholesalers. It is often used as a key indicator of inflation or deflation. While there are no perfect synonyms for this term, other phrases that may be used to convey a similar meaning include "producer price index," which focuses on price changes at the manufacturing level, "commodity price index," which tracks price changes for specific types of goods, and "cost of living index," which provides a more comprehensive measure of overall price changes for consumers. All of these terms offer some insight into how prices are changing in different sectors of the economy.