Hypertext Webster Gateway: "buoyant"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Buoyant \Buoy"ant\, a. [From {Buoy}, v. t. & i.]
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.'' --Pope.
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.
From WordNet (r) 1.7 (wn)
buoyant
adj 1: tending to float on a liquid or rise in air or gas; "buoyant
balloons"; "buoyant balsawood boats"; "a floaty scarf"
[syn: {floaty}]
2: 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" [syn: {chirpy}, {perky}]
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