buoyant
🇺🇸
/ˈbɔɪənt/
🇬🇧
/ˈbɔɪənt/
able to maintain a high level, often financially
The buoyant life jackets kept the swimmers safe in the water.
happy and optimistic
After the team's victory, the players were in a buoyant mood.
able to float or keep something afloat
The company's buoyant profits allowed for expansion into new markets.