Meaning of buoyant

buoy•ant

Pronunciation: (boi'unt, b'yunt), [key]
— adj.
  1. tending to float in a fluid.
  2. capable of keeping a body afloat, as a liquid.
  3. not easily depressed; cheerful.
  4. cheering or invigorating.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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