buoyant
/ˈbojənt/
- able to float
- Cork is very buoyant.
- a buoyant material
- able to cause things to float
- Warm air is more buoyant than cool air.
- happy and confident
- The actors were buoyant as they prepared for the evening's performance.
- in a buoyant mood
- able to stay at a regular or high level
- a buoyant economy/market