Sunshiney (adjective)
Sunny; characterised by sunshine.
Sunshiney (adjective)
Sunny; cheerful; optimistic.
Sunshiny (adjective)
Sunny, full of sunshine.
Sunshiny (adjective)
Bright, as though with sunshine; shining.
Sunshiny (adjective)
Cheerful, happy.
“Flowers can make any room sunshiny.”
Wiktionary