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/skaɪ/
Meaning & Definition
noun
The region of the atmosphere and outer space visible from the earth.
The sun set behind the mountains, painting the sky with hues of orange and pink.
The expanse of space over the Earth, often seen as a blue area during the day and filled with stars at night.
On a clear night, the sky was filled with countless stars twinkling above.
The upper atmosphere or the heavens.
Birds flew high in the sky, enjoying the freedom of flight.
Etymology
Old Norse 'ský', meaning 'cloud' or 'sky'.
Common Phrases and Expressions
sky's the limit
There are no limits to what can be achieved.
blue skies
Indicates good weather or a positive outlook.
out of the sky
Something that appears unexpectedly.
the sky fell
Something impossible or catastrophic occurred.
head in the clouds
To be daydreaming or not paying attention.
Related Words
cloud
A visible mass of condensed water vapor floating in the atmosphere.
horizon
The line where the earth's surface and the sky appear to meet.
atmosphere
The gaseous mass surrounding a celestial body.
star
A fixed luminous point in the night sky.
aerospace
The branch of technology and industry concerned with both aviation and space flight.
Slang Meanings
Sky high
The prices for concert tickets are sky high.
Skies
I've got so many things to do; my to-do list is through the skies.