major
adjective
uk/ˈmeɪdʒər/ usvery large, important, or powerful, especially when compared with others of the same type:
a rail link connecting major European cities
Exports play a major role in key sub-sectors.
Our prices are lower on 2,000 items than those of all our major competitors.
major companies/corporations/retailers
a major change, difference, etc. affects a lot of people or organizations, sometimes in a way that causes difficulties for them:
Lack of skilled workers has become a major problem in recent years.
Governments now face major challenges in addressing problems in the global economy.
a major barrier/obstacle/boost
major
noun [ C, usually plural ]
uk/ˈmeɪdʒər/ us COMMERCE
one of the most important companies in a particular industry:
The majors are projected to collect up to $1 trillion in profits over the next 10 years.
Among the majors, this airline ranks first for on-time arrivals .
oil/industry/supermarket majors