adjective
buoyant
BOY-uhnt/ˈbɔɪənt/
Able to stay afloat or rise in fluid.
The buoyant cork rises to the surface of the water.

Etymology
Spanish boyante, meaning “floating,” is a possible source. The physical idea of staying afloat was extended to a person's spirits, giving the sense “cheerful and optimistic.”
In context
neutralize your buoyancy you need to be able to neutralize your buoyancy because at the surface of the water while you have your BCD inflated you're going to be positively buoyant and floats at the surface
More examples
- She remained buoyant despite the disappointing result.
- A buoyant economy encouraged businesses to hire more workers.
- The raft's sealed drums make it highly buoyant.
Forms
buoyant
buoyancy noun — The ability to float or remain resilient and optimistic.
Similar words
- floating
- Describes a current position, while buoyant describes the ability or tendency to rise.