noun

1. A sunfish.

adjective

1. (of weather or a day) Featuring a lot of sunshine.

   “Whilst it may be sunny today, the weather forecast is predicting rain.”

2. (of a place) Receiving a lot of sunshine.

   “I would describe Spain as sunny, but it's nothing in comparison to the Sahara.”

3. (of a person or a person's mood) cheerful

   “a sunny disposition”

Synonyms: bright, cheerful, sunlit, bright, sunshiny

adverb

1. Sunny side up