major

Greater in dignity, rank, importance, significance, or interest.

Greater in number, quantity, or extent.

Notable or conspicuous in effect or scope.

Prominent or significant in size, amount, or degree.

Involving great risk, serious, life-threatening.

Of full legal age, having attained majority.

Of or relating to a subject of academic study chosen as a field of specialization.

Having intervals of a semitone between the third and fourth, and seventh and eighth degrees. (of a scale)

Equivalent to that between the tonic and another note of a major scale, and greater by a semitone than the corresponding minor interval. (of an interval)

Having a major third above the root.