large, as in size, height, width, or amount: a big house; a big quantity.
2.
of major concern, importance, gravity, or the like: a big problem.
3.
outstanding for a specified quality: a big liar; a big success.
4.
important, as in influence, standing, or wealth: a big man in his field.
5.
grown-up; mature: big enough to know better.
6.
elder: my big sister.
7.
doing business or conducted on a large scale; major in size or importance: big government.
8.
consisting of the largest or most influential companies in an industry: Big steel wants to lower prices, but the smaller mills don't.
9.
Informal. known or used widely; popular: Nouvelle cuisine became big in the 1970s.
10.
magnanimous; generous; kindly: big enough to forgive.
11.
boastful; pompous; pretentious; haughty: a big talker.
12.
loud; orotund: a big voice.
13.
(of clothing or a clothing design) made of or distinguished by voluminous fabric that is loosely or softly shaped and fitted: a big shirt; the big look.
14.
(of a wine) having more than average flavor, body, and alcoholic content.