Definify.com

Webster 1913 Edition

Adj.

[From

Verb.

]

Having the quality of rising or floating in a fluid; tending to rise or float;

as, iron is

buoyant

in mercury

“Buoyant on the flood.”

Pope.

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

The water under me was

buoyant

Dryden.

Light-hearted; vivacious; cheerful;

as, a

buoyant

disposition;

buoyant

spirits

–

Buoy′ant-ly

adv.

Adj.

Floating; light; that will not sink; having the quality of rising or floating in a fluid.

Bearing up, as a fluid; sustaining another body. [Unusual.]