Synonyms:
buoyant, floaty
Meaning: tending to float on a liquid or rise in air or gas; "buoyant balloons"; "buoyant balsawood boats"; "a floaty scarf"
Synonyms:
buoyant, chirpy, perky
Meaning: characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
Usage examples
At this unexpected reply, the boys slunk away to the college schoolroom, their buoyant spirits sunk down to dust and ashes--figuratively speaking.
They always liked to swim in company with a grown-up of buoyant temperament and inventive mind, and the float offered limitless opportunities for enjoyment while bathing.