\ ˈskī How to pronounce sky (audio) \
plural skies

Definition of sky

 (Entry 1 of 2)

1 : the upper atmosphere or expanse of space that constitutes an apparent great vault or arch over the earth
3a : weather in the upper atmosphere
b : climate temperate English skies— G. G. Coulton


skied or skyed; skying

Definition of sky (Entry 2 of 2)

transitive verb

1 chiefly British : to throw or toss up : flip
2 : to hang (something, such as a painting) above the line of vision
3 : to hit (a ball) high into the air

intransitive verb

: to jump high sky for a rebound

Synonyms for sky

Synonyms: Noun

Visit the Thesaurus for More 

Examples of sky in a Sentence

Noun There wasn't a cloud in the sky. Dark clouds moved quickly across the sky. Hailstones suddenly fell out of the sky. The sun was high in the sky. The forecast is for sunny skies tomorrow. a patch of blue sky
See More
Recent Examples on the Web: Noun It’s a semi-private suite aboard the largest passenger jet in the sky. Chris Woodyard, USA TODAY, 7 Jan. 2022 One of the most dramatic airbursts in recent decades was the 2013 Chelyabinsk meteor, a house-size asteroid that briefly lit up the Russian sky brighter than the sun. Corryn Wetzel, Smithsonian Magazine, 4 Jan. 2022 The Quadrantids aren't usually visible in the Southern Hemisphere because the radiant point of the shower doesn't rise very high in its sky before dawn. Ashley Strickland, CNN, 2 Jan. 2022 By first light Friday, the towering flames that had lit up the night sky had subsided and the winds had died down., 1 Jan. 2022 Thousands of fireworks lit up the sky over Sydney's Harbor Bridge and Opera House at midnight. Arkansas Online, 1 Jan. 2022 Thousands of fireworks lit up the sky over Sydney’s Harbor Bridge and Opera House at midnight. John Leicester, Nick Perry, Anchorage Daily News, 1 Jan. 2022 On Diwali night, people also lit up the sky with firecrackers — their smoke causing pollution that takes days to clear. Time, 5 Nov. 2021 Sparklers lit up the Delhi night sky and crackles from explosive fireworks could be heard in many neighborhoods, according to local media. Washington Post, 3 Nov. 2021 Recent Examples on the Web: Verb These can be pricey within a generally inexpensive urban center—resulting in a somewhat incongruous local culinary economy, where dining prices range from surprisingly low to sky high. Tom Mullen, Forbes, 2 Jan. 2022 But economies have rebounded rapidly and demand has soared, sending prices sky rocketing. Washington Post, 13 Oct. 2021 The post-pandemic commodities boom and efforts to reduce coal mining to tackle the climate crisis have driven global prices sky high. Diksha Madhok, CNN, 6 Oct. 2021 Hansel Robles then secured a heart palpitating save in the ninth, walking Soto and Josh Bell with two outs before getting Keibert Ruiz to sky to right on a middle-middle fastball., 1 Oct. 2021 The post-pandemic commodities boom and ambitious climate targets, meanwhile, have driven coal prices sky high, given the increase in demand and decrease in mining. Jill Disis, CNN, 28 Sep. 2021 But be warned, chip shortages have already seen scalpers send console prices sky high. Gordon Kelly, Forbes, 4 Sep. 2021 In the brown-and-white shingled main house there’s a series of suites, each with a living room, bedroom, working fireplace, and sky high cathedral windows. Elise Taylor, Vogue, 19 Aug. 2021 The participants had lit up the Friday night sky off the coast of Cuba with fireworks and flares in a show of support as residents continue their fight for freedom on the island nation. Steve Svekis,, 25 July 2021

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

See More

First Known Use of sky


13th century, in the meaning defined at sense 1


1802, in the meaning defined at transitive sense 1

History and Etymology for sky


Middle English, cloud, sky, from Old Norse skȳ cloud; akin to Old English scēo cloud

Learn More About sky

Time Traveler for sky

Time Traveler

The first known use of sky was in the 13th century

See more words from the same century

Dictionary Entries Near sky




See More Nearby Entries 

Statistics for sky

Last Updated

10 Jan 2022

Cite this Entry

“Sky.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for sky



English Language Learners Definition of sky

: the space over the Earth where the sun, moon, stars, and clouds appear


\ ˈskī How to pronounce sky (audio) \
plural skies

Kids Definition of sky

1 : the stretch of space over the earth
2 : weather entry 1, climate sunny skies

More from Merriam-Webster on sky

Nglish: Translation of sky for Spanish Speakers

Britannica English: Translation of sky for Arabic Speakers Encyclopedia article about sky


Test Your Vocabulary

Name that Thing: Flower Edition

True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!