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

• 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

Historically, sunglasses have had an intricate relationship to colder climates as opposed to the sunnier side of the sidewalk. —Cassell Ferere, Forbes.com, 27 June 2025

The Leo moon enhances an outspoken and sunny disposition until someone challenges your expression. —Usa Today, USA Today, 27 June 2025

The weather was spectacular — sunny and warm, refreshed by a summer breeze. —Tom Krasovic, San Diego Union-Tribune, 25 June 2025

The best time to spray poison ivy is on a sunny, calm day when temperatures are between 60°F and 85°F and no rain is in the forecast. —Patricia Shannon, Southern Living, 17 June 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