GREATNESS n. 2 definitions
The state, condition, or quality of being great; as, greatness of size, greatness of mind, power, etc.
BIG a.
Having greatness, fullness, importance, inflation, distention, etc., whether in a good or a bad sense; as, a big heart; a big voice; big looks; to look big. As applied to looks, it indicates haughtiness or pride. God hath not in heaven a bigger argument. Jer. Taylor.