DICT.TW Dictionary Taiwan

 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]