- If a day is sunny, you can see the sun clearly in the sky and there is a lot of sunshine.
- I'll go for a walk later if it is sunny; if not, I'll stay in my flat.
- If a place is sunny, it gets a lot of sunshine.
- I would describe Spain as sunny, but it's nothing in comparison to the Sahara.
- (figurative) If a person is sunny, they are cheerful.
- Susie has a really sunny disposition.