Meaning of “buoyant” - Learner’s Dictionary

buoyant

adjective uk us /ˈbɔɪənt/
CONFIDENT

happy and confident:

in a buoyant mood
BUSINESS

successful or making a profit:

a buoyant economy
FLOATING

floating or able to float

buoyancy uk us /ˈbɔɪənsi/ noun [ U ]

(Definition of “buoyant” from the Cambridge Learner’s Dictionary © Cambridge University Press)