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English definition of “buoyant”

buoyant

adjective (HAPPY)    /ˈbɔɪ.ənt/
happy and confident : After reading the letter he was in a buoyant mood .Satisfied and complacentShowing arrogance and conceitConfidence and self-assurance buoyancy     /ˈbɔɪ.ən.si/ noun [U] We tested the boat for buoyancy. He was a man of remarkable buoyancy (= able to stay positive despite problems ).Excitement, interest, energy and enthusiasmStaying afloat, capsizing and sinkingProfits and lossesSuccessful (things or people) buoyantly     /-li/ adverb Staying afloat, capsizing and sinkingExcitement, interest, energy and enthusiasm
(Definition of buoyant adjective (HAPPY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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