buoyant

Adjective

• 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
    

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

Related words

• Synonyms: 
  chirpy , perky , floaty