Definitions for "Buoyant"
Having the quality of rising or floating in a fluid; tending to rise or float; as, iron is buoyant in mercury.
tending to float on a liquid or rise in air or gas; "buoyant balloons"; "buoyant balsawood boats"; "a floaty scarf"
adj. Having the power or tendency to float or keep afloat.
Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits.
characterized by liveliness and light-heartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
Optimistic; engaged in a lot of activity eg, a buoyant economy.
Bearing up, as a fluid; sustaining another body by being specifically heavier.