i Register
In some senses, sunny is marked as figuratively, US. Watch for register when choosing this word.
adj
Featuring a lot of sunshine.
Whilst it may be sunny today, the weather forecast is predicting rain.
Receiving a lot of sunshine.
the sunny side of a hill
I would describe Spain as sunny, but it's nothing in comparison to the Sahara.
Cheerful.
a person with a sunny disposition
My decayed fair / A sunny look of his would soon repair.
Of or relating to the sun; proceeding from, or resembling the sun; shiny; radiant.
sunny beams
the four winds blow in from every coast Renownèd suitors, and her sunny locks Hang on her temples like a golden fleece
adv
sunny side up
noun
A sunfish.