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


from The American Heritage® Dictionary of the English Language, 4th Edition

Spanish boyante, present participle of boyar, to refloat a boat, from boya, buoy, from Old French boue; see buoy.


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  • Five hundred and seventy years later Frankfurt-am-Main, on October 5, 2010, found publishers from across the globe "in buoyant mood," according to London's Guardian newspaper last week -- having banished 2009's "mood of austerity," and busy toasting Alfred Knopf's advance of $2.5 million to a second-time Indian novelist Kiran Desai.

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  • QUIST-ARCTON: Nevertheless, expectations remain buoyant, as Ghana prepares to start pumping oil.

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  • Being buoyant is fine, but it shouldn't mean school science courses veer toward Christian doctrine.

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  • The long-term buoyant nature of demand for coal from India, China, Japan and Korea is an established reality that our joint venture will serve.

  • It is the temperament eternally boyish and buoyant, which is on the side of sweetness and light.

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  • A few moments later he was looking into the depressed eyes of a youth he had only known as the buoyant, headstrong, north-bred son of Allan

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  • His heart, naturally susceptible to kindly emotion, smote him as he remarked the moody listlessness of the young man's step, and recalled the buoyant lightness it was once wont habitually to wear.

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  • Due to Riverdale's bohemian allure, the media fraternity is buoyant, which is where today's homeowner, Craig Goodwill, comes into play. - Home Page


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  • OK, thanks for your opinions. :-)

    May 16, 2009

  • I don't believe I've ever heard anything other than /ˈbɔɪənt/ (I grew up in the US). My only strong opinion is that one shouldn't pronounce this as spelled, with three syllables: /bu'ɔɪjənt/.

    May 15, 2009

  • For me buoy is identical to boy - indeed, so is bhoy - and buoyant follows from that. I don't have a strong opinion, it's just how things are around here.

    May 15, 2009

  • I'm having a problem deciding which pronunciation I like better, /ˈbɔɪənt/ or /ˈbujənt/.

    Does anyone have a strong opinion about that they'd like to share?


    A link.

    May 15, 2009