1. tending to float in a fluid.
2. capable of keeping a body afloat, as a liquid.
3. not easily depressed; cheerful.
4. cheering or invigorating.
"dollars can be buoyant against marks."
"shares can be buoyant in/at/on weeks."
"shares can be buoyant over lasts."
"dollars can be buoyant against francs."
"trades can be buoyant on dates."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.