1. (

• buoyant ,
• floaty

) tending to float on a liquid or rise in air or gas; "buoyant balloons"; "buoyant balsawood boats"; "a floaty scarf" ;

2. (

• buoyant ,
• chirpy ,
• perky

) 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" ;