cloudless

American  

[klaud-lis] / ˈklaʊd lɪs /

adjective

1. having no clouds; clear.

   a cloudless sky.

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Other Word Forms

• cloudlessness
  noun
• cloudlessly
  adverb

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Etymology

Origin of cloudless

1350–1400; Middle English. See cloud, -less

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Explanation

Cloudless means bright and clear, like the blue, cloudless sky you're hoping for on the day of the big back-to-school picnic. When you look up and don't see a single cloud, you can describe the sky as cloudless. Cloudless skies mean no rain, no haze, and no fog. In the daytime, a cloudless sky is blue and bright, and a cloudless night sky is perfect for stargazing through a telescope. This adjective is formed by adding the suffix -less, "lacking," to cloud.

Example Sentences

See Examples For:

cloudless

Meteor showers are best seen in cloudless skies.

From BBC ● Oct. 20, 2026

The cloudless skies made every pop-up an adventure and the warm, dense air reduced drag, allowing batted balls to travel farther.

From Los Angeles Times ● Oct. 4, 2026

Clearly, the world of intelligence and counter-terrorism has changed almost beyond recognition in the quarter century since that cloudless blue September morning in New York.

From BBC ● Sep. 10, 2026

All I could do—and all that thousands of other people nearby could do—was stand there, stare at the cloudless sky, and watch the towers burn.

From The Wall Street Journal ● Sep. 8, 2026

Outside, beyond the shadow of the church on the village square, the sun shone down from a cloudless blue sky, and the air was filled with scents of summer.

From "Inkheart" by Cornelia Funke

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