1. Bright and pleasant; promoting a feeling of cheer
   - cheery, gay, sunny

See also: cheerful

• polymerization
• polymerize
• polymerized chain reaction
• polymethyl methacrylate
• Polymonium caeruleum van-bruntiae
• polymorph
• polymorphemic
• polymorphic
• polymorphism
• polymorphous
• Polymox
• polymyositis
• polymyxin
• Polynemidae
• Polynesia
• Polynesian
• Polynesian tattler
• polyneuritic psychosis
• polyneuritis
• polynomial
• polynucleotide
• polynya
• Polyodon
• Polyodon spathula
• Polyodontidae