\ ˈklau̇d How to pronounce cloud (audio) \

Definition of cloud

 (Entry 1 of 2)

1 : a visible mass of particles of condensed vapor (such as water or ice) suspended in the atmosphere of a planet (such as the earth) or moon
2 : something resembling or suggesting a cloud: such as
a : a light filmy, puffy, or billowy mass seeming to float in the air a cloud of blond hair a ship under a cloud of sail
b(1) : a usually visible mass of minute particles suspended in the air or a gas
(2) : an aggregation of usually obscuring matter especially in interstellar space
(3) : an aggregate of charged particles (such as electrons)
c : a great crowd or multitude : swarm clouds of mosquitoes
3 : something that has a dark, lowering, or threatening aspect clouds of war a cloud of suspicion
4 : something that obscures or blemishes a cloud of ambiguity
5 : a dark or opaque vein or spot (as in marble or a precious stone)
6 : the computers and connections that support cloud computing storing files in the cloud often used before another noun cloud storage/backupcloud software


clouded; clouding; clouds

Definition of cloud (Entry 2 of 2)

intransitive verb

1 : to grow cloudy usually used with over or up clouded over before the storm
2a of facial features : to become troubled, apprehensive, or distressed in appearance her face clouded with worry
b : to become blurry, dubious, or ominous often used with over the outlook is clouding over
3 : to billow up in the form of a cloud

transitive verb

1a : to envelop or hide with or as if with a cloud
b : to make opaque especially by condensation of moisture steam clouded the windows
c : to make murky especially with smoke or mist smoke clouded the sky
2 : to make unclear or confused cloud the issue
3 : taint, sully a clouded reputation
4 : to cast gloom over cloud prospects for success

Illustration of cloud

Illustration of cloud


cloud 1: 1 cirrus, 2 cirrostratus, 3 cirrocumulus, 4 altostratus, 5 altocumulus, 6 stratocumulus, 7 nimbostratus, 8 cumulus, 9 cumulonimbus, 10 stratus

In the meaning defined above

Other Words from cloud


cloudlike \ ˈklau̇d-​ˌlīk How to pronounce cloud (audio) \ or cloud-like adjective
cloudlike swirls cloudlike chocolate mousse

Examples of cloud in a Sentence

Noun The sun is shining and there's not a cloud in the sky. flying high above the clouds It stopped raining and the sun poked through the clouds. a cloud of cigarette smoke The team has been under a cloud since its members were caught cheating. There's a cloud of controversy hanging over the election. Verb greed clouding the minds of men These new ideas only cloud the issue further. The final years of her life were clouded by illness. See More
Recent Examples on the Web: Noun But the stunning revelation, two days before Pennsylvania’s primary, created a cloud of uncertainty over the Democratic front-runner’s candidacy in what may be one of the party’s best Senate pickup opportunities. Marc Levy And Steve Peoples, Anchorage Daily News, 15 May 2022 The dust cloud swept up by the storm produced scenes reminiscent of the Dust Bowl of the 1930s. Jason Samenow, Washington Post, 12 May 2022 There's this cloud that comes in — and certain areas of your brain start to overcompensate. Maureen Lee Lenker,, 12 May 2022 CodeFlare simplifies the integration, scaling, and acceleration of complex multi-step analytics and machine learning pipelines on the cloud. Paul Smith-goodson, Forbes, 2 May 2022 Speaking of Nick, the two lovebirds are probably on cloud 9 after the premiere of their latest dating experiment on Netflix called The Ultimatum. Chaise Sanders, Country Living, 2 May 2022 Orion, an algorithm designed to find the most efficient routes for drivers to get packages from local delivery facilities to recipients, was launched in 2012 and isn’t on the cloud. Isabelle Bousquette, WSJ, 29 Mar. 2022 So too has an image of a beam of light on a torso-like cloud. Emiliano Tahui Gómez, USA TODAY, 12 Mar. 2022 The dataset was so massive, a personal computer simply couldn’t process it; the reporting team had to run its analyses on the cloud. Brooke Stephenson, ProPublica, 11 Mar. 2022 Recent Examples on the Web: Verb Security concerns are often one of the top barriers to cloud adoption. Arnav Sahu, Forbes, 13 May 2022 At the same time, new COVID variants could cloud the outlook — either by causing outbreaks that force factories and ports to close and disrupt supply chains even more or by keeping people home and reducing demand for goods. Paul Wiseman, Chron, 12 Apr. 2022 Still, none of those uncertainties should cloud the overall picture of the conflict, which shows no sign of abating. Marc Champion,, 11 Mar. 2022 That's a difficult maneuver, especially as the global economy slows, and spiking energy prices and the war in Ukraine cloud the outlook. Julia Horowitz, CNN, 5 May 2022 No serious approach to cloud infrastructure security excludes Microsoft, IBM and Oracle. Bart Ziegler, WSJ, 7 Mar. 2022 The shadow of Aduhelm should not cloud the FDA’s decision on AMX0035 and other therapies that can change the course of ALS. Bernard Zipprich, STAT, 24 Apr. 2022 With China’s help, experts say, Russia also is regaining its ability to cloud the narrative around Europe’s biggest conflict since World War II. Washington Post, 8 Apr. 2022 While due diligence procedures and best practices are well documented for traditional equity and debt investments, blockchain and cryptoassets can cloud the judgement of even the savviest investors. Sean Stein Smith, Forbes, 27 Mar. 2022 See More

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

First Known Use of cloud


14th century, in the meaning defined at sense 1


1562, in the meaning defined at intransitive sense 1

History and Etymology for cloud


Middle English, rock, cloud, from Old English clūd; perhaps akin to Greek gloutos buttock

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

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Last Updated

19 May 2022

Cite this Entry

“Cloud.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for cloud


\ ˈklau̇d How to pronounce cloud (audio) \

Kids Definition of cloud

 (Entry 1 of 2)

1 : a visible mass of tiny bits of water or ice hanging in the air usually high above the earth
2 : a visible mass of small particles in the air a cloud of dust
3 : a large number of things that move together in a group a cloud of mosquitoes
4 : an overwhelming feeling The news cast a cloud of gloom.
5 : the computers and connections that support cloud computing

Other Words from cloud

cloudless \ -​ləs \ adjective


clouded; clouding

Kids Definition of cloud (Entry 2 of 2)

1 : to make or become cloudy The sky clouded up.
2 : to have a bad effect on Involvement in the crime clouded his future.
3 : to make confused Doubts clouded her judgment.

More from Merriam-Webster on cloud

Nglish: Translation of cloud for Spanish Speakers

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


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