sunny

1 of 2

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

sunniness

2 of 2

noun

sun·​ni·​ness -nēnə̇s 

plural -es

: the quality or state of being sunny

a sunniness of disposition that delighted us all

Synonyms of sunny

Adjective

• bright
• cheerful
• radiant
• smiling

Examples of sunny in a Sentence

Adjective

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

Adjective

Couples from Copenhagen enjoying a sunny weekend away, as well as the odd tourist. — Condé Nast, Condé Nast Traveler, 1 Aug. 2026

Iyo Sky received a standing ovation for the sunny crowd in Minnesota. — Alfred Konuwa, Forbes.com, 1 Aug. 2026

Plant your garden in a sunny site with a nearby water source. — Tom MacCubbin, The Orlando Sentinel, 1 Aug. 2026

That increase has already led to more sunny day flooding, intensified rainfalls and hurricanes, reflected in higher and higher insurance premiums. — Denise Hruby, Miami Herald, 31 July 2026

Word History

First Known Use

Adjective

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