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English definition of “major”


adjective [before noun] (IMPORTANT)    /ˈmeɪ.dʒər/ US  /-dʒɚ/
B2 more important , bigger , or more serious than others of the same type : All of her major plays have been translated into English . Sugar is a major cause of tooth decay . There are two problems with this situation , one major, one minor . Citrus fruits are a major source of vitamin C. There has been a major change in attitudes recently . The United States is a major influence in the United Nations . → Compare minor adjectiveVery important or urgent
(Definition of major adjective (IMPORTANT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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