Meaning Of Buoyant

v. t. & i.

Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury.

v. t. & i.

Bearing up, as a fluid; sustaining another body by being specifically heavier.

v. t. & i.

Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits.