The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.
- The tendency or capacity to remain afloat in a liquid or rise in air or gas.
- The upward force that a fluid exerts on an object less dense than itself.
- Ability to recover quickly from setbacks; resilience.
- Lightness of spirit; cheerfulness.