buoyant
01
cheerful and lively in spirit
例
She remained buoyant despite the stressful day at work.
His buoyant attitude lifted everyone's spirits.
02
capable of floating on a liquid or rising in air or gas
例
The life jacket kept the swimmer buoyant in the water.
Foam is naturally buoyant and is used in flotation devices.
語彙ツリー
buoyantly
buoyant
buoy
