buoyancy   (Sound)

The noun buoyancy has 4 senses

• buoyancy, perkiness -- (cheerfulness that bubbles to the surface)


• airiness, buoyancy -- (the property of something weightless and insubstantial)


• buoyancy -- (the tendency to float in water or other liquid)


• irrepressibility, buoyancy -- (irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor")