majorma·jor1 /ˈmeɪdʒə-ər/ adjectiveadj [only before a noun]1very large or important when compared with other companies, countries, activities etc of a similar kinda major New York bank
a meeting of the seven major industrialized nations
The company is currently undergoing a major restructuring.
2very seriousThe company’s major problem was its reliance on the big UK market.
There are no major safety concerns with this product.