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

But such interludes add up to small specks of stormclouds in the show’s otherwise sunny skies. —Alison Herman, Variety, 2 June 2026

Girl is always camera-ready with her cute blond bob, sunny yellow dress and matching shoes, holding a blue box of Morton salt in one hand and umbrella in the other for those rainy days. —Lisa Gutierrez, Kansas City Star, 2 June 2026

Snow, slush and messy weather can challenge autonomous vehicles in ways sunny streets cannot. —Kurt Knutsson, FOXNews.com, 2 June 2026

The rooms While the lobby and the hallways are on the moody side of lighting, the 186 rooms and 14 suites, are bright and sunny. —Condé Nast, Condé Nast Traveler, 2 June 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