from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Having or marked by buoyancy: a buoyant balloon; buoyant spirits.
- adj. Lighthearted; gay: in a buoyant mood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. having buoyancy; able to float
- adj. lighthearted and lively
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the quality of rising or floating in a fluid; tending to rise or float.
- adj. Bearing up, as a fluid; sustaining another body by being specifically heavier.
- adj. Light-hearted; vivacious; cheerful.
from The Century Dictionary and Cyclopedia
- Having the quality of rising or floating in a fluid; floating; relatively light; that will not sink.
- Bearing up, as a fluid; sustaining another body by reason of greater specific gravity.
- Figuratively, cheerful; hopeful; not easily depressed.
- Causing buoyancy of mind; cheering; invigorating.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. characterized by liveliness and lightheartedness
- adj. tending to float on a liquid or rise in air or gas
Spanish boyante, present participle of boyar, to refloat a boat, from boya, buoy, from Old French boue; see buoy.(American Heritage® Dictionary of the English Language, Fourth Edition)