›extremely important to the progress or success of something: critical to/for sthLogistics and distribution are critical to an e-commerce venture's success.Critical decisions need to be taken.We see this as a critical time and potentially a turning point in the crisis.
›extremely serious or dangerous: be in critical conditionAs a result of unchecked pollution, the Chesapeake Bay is in critical condition.The company had a loss of $511,000 and a critical shortage of cash.
›saying that someone or something is bad or wrong: A highly critical report was released Tuesday on BP's five U.S. refineries.critical of sb/sthHe is very critical of his manager.
› using careful judgment: We need to do some critical thinking to solve this problem.
criticallyadverb›The small business market as a whole is critically important.Regional or bilateral trade deals need to be looked at more critically.