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1. Oxford American Dictionary

   buoyant

   • IPA[ˈboiənt]

   美式

   • adj.
     able or apt to stay afloat or rise to the top of a liquid or gas.；(of a liquid or gas) able to keep something afloat
2. • 釋義

   adj.

   形容詞

   • 1. able or apt to stay afloat or rise to the top of a liquid or gas. 同義詞 able to float, light, floating, rarefloatable反義詞 heavy
   • ▪ (of a liquid or gas) able to keep something afloat buoyant water
   • 2. cheerful and optimistic the conference ended with the party in a buoyant mood 同義詞 cheerful, cheery, happy, lighthearted, carefree, ... 更多bright, glad, merry, joyful, bubbly, bouncy, effervescent, blithe, sunny, breezy, jolly, jovial, animated, lively, sprightly, jaunty, ebullient, high-spirited, vivacious, vital, sparkling, sparky, zestful, perky, optimistic, confident, hopeful, sanguine, bullish, positive, informalpeppy, zippy, zingy, upbeat, datedgay反義詞 depressed, pessimistic
   • 3. (of an economy, business, or market) involving or engaged in much activity car sales were not buoyant 同義詞 booming, strong, vigorous, burgeoning, thriving, ... 更多growing, developing, progressing, improving, expanding, mushrooming, snowballing, ballooning, informalgoing strong反義詞 depressed
3. • 更多解釋

   buoyant

   • IPA[ˈbɔɪənt]

   英式

   • adj.
     able or tending to keep afloat or rise to the top of a liquid or gas.

   Oxford Dictionary