- The definition of sunny is something that is bright, shining like the sun, or cheerful.
- An example of something sunny is a bright, yellow kitchen.
- An example of someone sunny is a smiling hostess at a restaurant.
sunny definition by Webster's New World
sunny definition by American Heritage Dictionary
adjective sun·ni·er, sun·ni·est
- Exposed to or abounding in sunshine: a sunny room.
- Cheerful; genial: a sunny smile.
- sunˈni·ly adverb
- sunˈni·ness noun