IPA: /ˈbɔɪənt/
KK: /ˈbɔɪənt/
Able to float in water or air; cheerful and lively in mood.
The buoyant balloon floated high in the sky.
Buoyant is derived from the verb 'bouyer' (meaning to float) in Old French, combined with the suffix '-ant' (indicating a state or quality). The word 'buoyant' describes the quality of being able to float or rise in a fluid.
Think of something that has the quality of 'floating' — 'bouyer' means to float, and '-ant' indicates a state. This helps you remember that 'buoyant' refers to the ability to float.