- Having the quality of rising or floating in a
fluid; tending to rise or float; as, iron is buoyant in mercury. - Bearing up, as a fluid; sustaining another body by
being specifically heavier. - Light-hearted; vivacious; cheerful; as, a buoyant
disposition; buoyant spirits.
Meaning of 'buoyant' (Princeton's WordNet)
1 . buoyant
[ s]
Meaning (1): - tending to float on a liquid or rise in air or gas
Example in sentence:
a floaty scarf;
buoyant balloons;
buoyant balsawood boats
Meaning (2): - characterized by liveliness and lightheartedness