-nt adjective
Etymology: probably from Spanish boyante, from present participle of boyar
1. : having the quality or property of buoyancy
iron is buoyant in mercury
held up by the buoyant water
floating in midair in the buoyant gas
a person cheerful of face and buoyant of spirits
a buoyant stock market
walking with a buoyant step
2. : light and floating
a wonderfully delicate and buoyant evening gown
Synonyms: see elastic