sun·​ny | \ˈsə-nē \
sunnier; sunniest

Definition of sunny 

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

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Other Words from sunny

sunnily \ˈsə-​nə-​lē \ adverb
sunniness \ˈsə-​nē-​nəs \ noun

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.
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Recent Examples on the Web

Next, on a sunny day, the car will roll down a window and turn on the engine, the heater, and a fan in order to bake off the VOCs and their accompanying smell. Megan Geuss, Ars Technica, "Chinese customers hate “new car smell,” so Ford files a patent to bake it out," 20 Nov. 2018 On a hot, sunny day in late July, a group of Turner’s researchers gave me a tour of three of these sites — one burned in an unnamed fire that occurred around 1872, another site burned in the 1988 Huck Fire and a third burned in the 2000 Glade Fire. Kristen Pope, Discover Magazine, "Wildfire Engulfed Yellowstone 30 Years Ago. Its Recovery Could Predict The Future of the West," 12 Nov. 2018 A year ago, standing on the same red rubber at a much sunnier Hayward Field, Ellis took the baton seamlessly. J. Brady Mccollough,, "Inside the USC women's track team's relay miracle at the NCAA championship," 12 June 2018 In the audience seated in Dillard's Avenue of the Oaks were more than 200 graduates whose entrance onto the sunny field drew cheers and applause from friends and relatives. Wilborn P. Nobles Iii,, "Chance the Rapper urges Dillard's graduates to surpass their predecessors," 12 May 2018 Giancarlo Stanton made two tough catches in sunny left field . Mike Fitzpatrick,, "Gleyber Torres Makes Debut As Young Yankees Beat Blue Jays, 5-1," 23 Apr. 2018 That way, an aubergine in a sunny field remains cool. The Economist, "How paint jobs can make sensors and autonomous cars safer," 5 Apr. 2018 Those pieces, while architecturally striking, aren’t necessarily fit for the streets of Los Angeles—you’d be hard-pressed to find someone dressed in something that fussy on a sunny day in the City of Angels. Rachel Hahn, Vogue, "In Her New Music Video, Kelsey Lu’s Wardrobe Is Even More Stunning Than the L.A. Landscape," 9 Nov. 2018 On rainy days, sunny days and days that go all night, autumn is all about boots. Bree Coven Foster, The Seattle Times, "5 fall boots for rain and shine," 8 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sunny.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sunny

14th century, in the meaning defined at sense 1

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Dictionary Entries near sunny





sunny side

sunny-side up


Statistics for sunny

Last Updated

5 Dec 2018

Look-up Popularity

Time Traveler for sunny

The first known use of sunny was in the 14th century

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More Definitions for sunny



English Language Learners Definition of sunny

: having plenty of bright sunlight

: cheerful and happy


sun·​ny | \ˈsə-nē \
sunnier; sunniest

Kids Definition of sunny

1 : bright with sunshine a sunny day a sunny room

2 : merry sense 1, cheerful He just kept … talking his nonstop sunny talk about what a great summer we were going to have …— Jack Gantos, Joey Pigza Loses Control

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More from Merriam-Webster on sunny

Rhyming Dictionary: Words that rhyme with sunny

Thesaurus: All synonyms and antonyms for sunny

Spanish Central: Translation of sunny

Nglish: Translation of sunny for Spanish Speakers

Britannica English: Translation of sunny for Arabic Speakers

Comments on sunny

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