sun·shine 
/ˈsʌnˌʃaɪn/ noun
/ˈsʌnˌʃaɪn/ noun [noncount] 1 : the sun's light or rays : warmth and light from the sun
▪ Today's forecast calls for sunshine. ▪ Let's go out and enjoy the sunshine! 2 informal : a feeling of happiness
▪ She was the kind of person who brought sunshine into people's lives. ▪ She was a ray of sunshine for her patients. [=she made her patients feel happier and more cheerful] 3 Brit, informal — used as a form of address that can be either friendly or rude ▪ “Hey, sunshine. What are you doing?”
▪ Today's forecast calls for sunshine. ▪ Let's go out and enjoy the sunshine!
▪ She was the kind of person who brought sunshine into people's lives. ▪ She was a ray of sunshine for her patients. [=she made her patients feel happier and more cheerful]
