Major

adjective

1. greater in dignity, rank, importance, or interest
2. equivalent to the distance between the keynote and another tone (except the fourth and fifth) of a major scale
3. having a major third above the root
4. Sir John 1943– British prime minister (1990–97)
5. greater in number, quantity, or extent
6. of full legal age
7. notable or conspicuous in effect or scope : considerable
8. prominent or significant in size, amount, or degree
9. involving grave risk : serious
10. of or relating to a subject of academic study chosen as a field of specialization
11. having half steps between the third and fourth and the seventh and eighth degrees
12. based on a major scale