the GNU version of the Collaborative International Dictionary of English
n. The quality or state of being sunny.
The Century Dictionary and Cyclopedia
n. The state of being sunny.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being cheerful and dispelling gloom
n. lightness created by sunlight
Word Usage
"Swing voters, we had been told at the time Senator Kerry named John Edwards as his running mate, would respond well to the vice-presidential candidate's "sunniness," his "optimism," his "small town roots.""