Noun: sunniness sú-nee-nus
- Lightness created by sunlight
"The sunniness of the room lifted everyone's spirits"
- The quality of being cheerful and dispelling gloom
"Her natural sunniness brightened everyone's mood";
- cheerfulness, cheer, sunshine
See also: cheerful, cheerless, depressing, uncheerful
Type of: attribute, light, lightness
Part of: disposition, temperament
Encyclopedia: Sunniness