adjective (sunnier, sunniest)
bright and warm with light from the sun:
a sunny day
Tomorrow will be warm and sunny.
sun‧ny /ˈsʌni/ BrE AmE adjective
1. having a lot of light from the sun SYN bright:
a warm sunny day
a sunny morning
a nice sunny room
I hope it’s sunny tomorrow.
sunny periods/spells/intervals (=periods when it is sunny)
Tuesday will be dry with sunny spells.
2. informal happy and friendly:
a sunny smile
• • •
▪ sunny if the weather is sunny, the sun is shining: When we arrived in Hong Kong, it was warm and sunny. | a lovely sunny afternoon
▪ fine especially British English not raining, and with no clouds or only a few clouds in the sky: a period of fine weather | Next week will be fine but a little cooler.
▪ nice (also lovely especially British English) spoken pleasantly warm and sunny: It’s a lovely day – why don’t we go for a walk? | If it’s nice, we’ll go to the beach.
▪ bright if the weather is bright, the sun is shining and there is plenty of light: a bright sunny morning | It was bright earlier on in the day.
▪ beautiful/glorious used when the weather is very good and there is a lot of sunshine: a glorious autumn day | The weather has been beautiful all week.
▪ clear with no clouds or mist: It was a clear June morning. | a clear blue sky
▪ cloudless especially literary with no clouds: The sun shone from a cloudless sky. | It was a beautiful cloudless morning.
▪ dry with no rain: a period of dry weather | Tomorrow will be mostly dry.
sunny [sunny sunnier sunniest] [ˈsʌni] [ˈsʌni] adjective (sun·nier, sun·ni·est)
1. with a lot of bright light from the sun
• a sunny day
• sunny weather
• The outlook for the weekend is hot and sunny.
• a sunny garden
• Italy was at its sunniest.
2. cheerful and happy
• a sunny disposition
• a brilliantly sunny day
• a gloriously sunny morning
• He had a sunny disposition and was always fun to be with.
• She flashed him her sunniest smile.
• The outlook for the weekend is warm and sunny.
• These plants grow best in a sunny spot.
• Throughout the week, the weather was fine and sunny.
Cambridge Advanced Learner's Dictionary - 4th Edition
sunny / ˈsʌn.i / adjective (BRIGHT)
A2 bright because of light from the sun:
We're having the party in the garden, so I'm praying it'll be sunny.
sunny / ˈsʌn.i / adjective (HAPPY)
describes someone who is usually happy and relaxed and does not usually get worried or angry:
She has a very sunny disposition.
© Cambridge University Press 2013
When it is sunny, the sun is shining brightly.
The weather was surprisingly warm and sunny...
There is a chance of sunny spells in the West.
Sunny places are brightly lit by the sun.
Most roses like a sunny position in a fairly fertile soil.
Someone who has a sunny disposition is usually cheerful and happy.
He was a nice lad–bright and with a sunny disposition...
The staff wear big sunny smiles.
sun·ny /ˈsʌni/ adj sun·ni·er; -est
1 : having plenty of bright sunlight
• a sunny room/day
• sunny weather
• the sunniest parts of the country
• We found a sunny place/spot to have lunch.
• If it's sunny later, we can go to the park.
2 : cheerful and happy
• a sunny smile/disposition