大-

(1)relatively large in size or number or extent; larger than others of its kind; "a great juicy steak"; "a great multitude"; "the great auk"; "a great old oak"; "a great ocean liner"; "a great delay"

(2)サイズ、数または範囲が比較的大きい

(3)その種類の他のものより大きい

(4)significant; "graduation was a big day in his life"

(5)重要な

(1)graduation was a big day in his life

(2)卒業は彼の人生の記念すべき日だった