buoyant
1. [ adjective ] tending to float on a liquid or rise in air or gas
Synonyms: floaty
Examples:

"buoyant balloons" "buoyant balsawood boats" "a floaty scarf"

Related terms: light
2. [ adjective ] characterized by liveliness and light-heartedness
Synonyms: perky chirpy
Examples:

"buoyant spirits" "his quick wit and chirpy humor" "looking bright and well and chirpy" "a perky little widow in her 70s"

Related terms: cheerful
Similar spelling:   bunt
  buy_into
  Bunte
  Bundy