Definition: The quality of weighing less than something else of equal
bulk; relative lightness, especially as shown by rising through, or
floating upon, a contiguous substance; buoyancy; -- opposed to gravity.
Definition: Lack of gravity and earnestness in deportment or character;
trifling gayety; frivolity; sportiveness; vanity.
Definition: Lack of steadiness or constancy; disposition to change;
fickleness; volatility.
