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

Tucked onto a sunny corner in Bed-Stuy, big windows and café seats line the sidewalk, and flowers peek out from every corner. — Samantha Rees, Vogue, 21 Sep. 2026

On a sunny August afternoon, the group’s founder, Brent Linas, stood in front of the San Juan Creek, 5 miles from Ladera Ranch, pointing out the lack of plants near the channel. — Julia Vargas Jones, CNN Money, 20 Sep. 2026

Monday’s conditions are likely to be partly sunny with a high near 74. — The Baltimore Sun, Baltimore Sun, 20 Sep. 2026

Minnesota will still be a bit cloudy to finish the weekend, but sunnier days are coming. — Joseph Dames, CBS News, 20 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