Buoy·ant a.
1. 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.”
2. Bearing up, as a fluid; sustaining another body by being specifically heavier.
The water under me was buoyant. --Dryden.
3. Light-hearted; vivacious; cheerful; as, a buoyant disposition; buoyant spirits. -- Buoy*ant*ly, adv.
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buoyantly
adv : in a cheerfully buoyant manner; "we accepted the opportunity
buoyantly" [syn: chirpily]