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

• aglow
• beaming
• bright
• glowing
• radiant

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

Most avalanche accidents happen on the first sunny day after a storm when people get antsy and disregard red flags. —Ashley Thess, Outdoor Life, 14 Mar. 2025

Its flavors evoked a kind of nostalgia—like eating sunflower seeds on a sunny day at the ballpark—but also boasted a sophisticated richness the other butters lacked. —Sam Stone, Bon Appétit, 13 Mar. 2025

Forecasters predict a sunny day on Tuesday before more rain settles into parts of the region Wednesday. —Rick Hurd, The Mercury News, 13 Mar. 2025

Pump its backlight to maximum, and the screen is visible outdoors on a sunny day. —PCMAG, 12 Mar. 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