#1
buoyancy n. [
perkiness] cheerfulness that bubbles to the surface
. wn #2
buoyancy n. [
airiness] the property of something weightless and insubstantial
. wn #3
buoyancy n. the tendency to float in water or other liquid
. wn #4
buoyancy n. [
irrepressibility] irrepressible liveliness and good spirit; "I admired his buoyancy and persistent good humor"
. wn