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

Temperatures will push to the low-to-mid 80s under sunny skies in the morning before cloud cover increases in the afternoon. —Scott Withers, CBS News, 22 Nov. 2025

South Florida weather will be sunny and hot, but connections up North may be affected by bad weather. —Miami Herald, 22 Nov. 2025

Photography was not an unusual hobby for a young woman of her milieu, and many of Austen’s early images depict a world of genteel Victorian amusements—parties gathered on porches and scenic overlooks, happy pugs, sunny days in leg-of-mutton sleeves. —Molly Fischer, New Yorker, 22 Nov. 2025

Grouping pots near sunny walls adds extra warmth from reflected heat. —Erica Browne Grivas, Better Homes & Gardens, 22 Nov. 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