sunny

adjective

sun·​ny ˈsə-nē 

sunnier; sunniest

1

: marked by brilliant sunlight : full of sunshine

2

: cheerful, optimistic

a sunny disposition

3

: exposed to, brightened by, or warmed by the sun

a sunny room

sunnily

ˈsə-nə-lē 

adverb

sunniness

ˈsə-nē-nəs 

noun

Synonyms

• aglow
• beaming
• bright
• glowing
• radiant

Examples of sunny in a Sentence

the sunniest parts of the country

We found a sunny place to have lunch.

If it's sunny later, we can go to the park.

Recent Examples on the Web

What has stood out in April and May is persistence: The jet stream has remained wavy, bringing with it the normal ebb and flow of stormy low-pressure weather systems mixed with sunny high-pressure systems. —Daniel Chavas, The Conversation, 23 May 2025

By placing avocados on a warm, sunny windowsill or other area of your house, the warmth of the sun can speed up the ripening process. —Katie Rosenhouse, Southern Living, 23 May 2025

As the day progresses, conditions are expected to shift to sunny with highs reaching to 57 degrees, officials said. —Deanese Williams-Harris, Chicago Tribune, 23 May 2025

And what better way to kick off the sunny season than with our Summer TV Preview. —Ew Staff, EW.com, 23 May 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing sunny

• sunny-side up

Rhymes for sunny

• bunny
• funny
• gunny
• honey
• money
• runny
• sonny
• tunny

Kids Definition

sunny

adjective

sun·​ny ˈsən-ē 

sunnier; sunniest

1

: bright with sunshine

2

: merry sense 1

a sunny smile

sunnily

ˈsən-ᵊl-ē 

adverb

sunniness

ˈsən-ē-nəs 

noun