sky

1 of 2

noun

ˈskī 

plural skies

1

: the upper atmosphere or expanse of space that constitutes an apparent great vault or arch over the earth

2

: heaven sense 2

3

a

: weather in the upper atmosphere

b

: climate

temperate English skies

—G. G. Coulton

sky

2 of 2

verb

skied or skyed; skying

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

Noun

• blue
• firmament
• heaven(s)
• high
• welkin

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

Recent Examples on the Web

Noun

After the announcement, Zelenskyy posted on X that air raid alerts were ringing out across Ukraine, adding that Russian attack drones were detected in the skies. —Brie Stimson, FOXNews.com, 19 Apr. 2025

For those planning to catch this weekend's display, the recommendation from experts is simple: find a dark sky, look up before dawn, and be patient. —Nicholas Creel, MSNBC Newsweek, 18 Apr. 2025

Verb

From a river corridor along the desert floor to sky island ridge tops, there are countless stunning scenes throughout the park. —Alexis Simmerman, Austin American-Statesman, 13 Dec. 2024

There, rideshare apps Uber and Lyft have announced plans to pull out of the city all together due to new wage floor laws that drive prices sky high. —Adam Kovacevich, Fortune, 24 Apr. 2024

Word History

Etymology

Noun

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

First Known Use

Noun

13th century, in the meaning defined at sense 1

Verb

1802, in the meaning defined at transitive sense 1

Phrases Containing sky

• blue sky
• blue-sky law
• deep-sky
• mackerel sky
• pie in the sky
• sky blue
• sky-high
• sky marshal
• sky pilot
• sky wave
• take to the sky/skies
• the sky's the limit

Rhymes for sky

• ai
• aye
• bae
• bi
• buy
• by
• bye
• chai
• chi
• cry
• die
• dry

Kids Definition

sky

noun

ˈskī

plural skies

1

: the upper atmosphere : the vast arch or dome that seems to spread over the earth

2

: heaven sense 2

3

: weather entry 1, climate

the forecast is for sunny skies tomorrow