1. Carefree and happy and lighthearted
   "her lighthearted nature"
   - blithe, blithesome [archaic], lightsome, light-hearted

See also: cheerful, lightheartedness

• psychotropic agent
• psychrometer
• psylla
• psyllid
• Psyllidae
• psyllium
• psyop
• Pt
• PT boat
• PTA
• Ptah
• ptarmigan
• pteranodon
• Pteretis
• Pteretis struthiopteris
• Pteridaceae
• Pteridium
• Pteridium aquilinum
• Pteridium esculentum
• pteridological
• pteridologist
• pteridology
• Pteridophyta
• pteridophyte
• pteridosperm