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

Skies should be sunny to mostly sunny Monday through the work week. — Joe Marusak, Charlotte Observer, 5 Sep. 2026

There are also the journalists, the athletes, and the kids who spend sunny days doing contact improv, which was invented at Oberlin, tangling their limbs in the grass outside the library. — Jesse Dougherty, New Yorker, 5 Sep. 2026

Playing on artificial turf can add more heat to the field, with turf’s surface temperature able to reach well over 130 degrees under hot, sunny conditions, Cox said. — Taylor O'Connor, Kansas City Star, 5 Sep. 2026

Tuesday should be sunny with a high near 76 and a low around 52. — Hali Smith, Idaho Statesman, 4 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