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 of sunny

• bright
• cheerful
• radiant
• smiling

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

Wide, sunny landscape shots are comfortably bright, with plenty of vivid, natural hues. — Will Greenwald, PC Magazine, 28 Sep. 2026

Saturday will be partly sunny, with a high near 72 and a 20% chance of showers. — The Baltimore Sun, Baltimore Sun, 28 Sep. 2026

On Monday, with an upper atmospheric trough of low pressure still overhead California, inland temperatures will hold below average, with high temps across the Central Valley from Sacramento staying in the low 80s despite mostly sunny skies. — Sean MacAday, Sacbee.com, 28 Sep. 2026

While the weekend started out stormy, the second day of the trip was sunny and clear. — Anna Grace Lee, Vogue, 28 Sep. 2026

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