Definition of Cloud

1. Noun. Any collection of particles (e.g., smoke or dust) or gases that is visible.

2. Verb. Make overcast or cloudy. "Fall weather often overcasts our beaches"
Exact synonyms: Overcast
Generic synonyms: Darken
Specialized synonyms: Fog Up, Haze
Also: Cloud Over, Cloud Up
Derivative terms: Clouding, Overcast, Overcast
Antonyms: Clear Up

3. Noun. A visible mass of water or ice particles suspended at a considerable altitude.

4. Verb. Make less visible or unclear. "The big elm tree obscures our view of the valley"
Exact synonyms: Becloud, Befog, Fog, Haze Over, Mist, Obnubilate, Obscure
Generic synonyms: Conceal, Hide
Specialized synonyms: Overshadow
Derivative terms: Fog, Fog

5. Noun. Out of touch with reality. "His head was in the clouds"
Generic synonyms: Irreality, Unreality

6. Verb. Billow up in the form of a cloud. "The smoke clouded above the houses"
Generic synonyms: Billow, Wallow

7. Noun. A cause of worry or gloom or trouble. "The only cloud on the horizon was the possibility of dissent by the French"
Generic synonyms: Gloom, Gloominess, Glumness

8. Verb. Make gloomy or depressed. "Their faces were clouded with sadness"
Generic synonyms: Affect, Impress, Move, Strike

9. Noun. Suspicion affecting your reputation. "After that mistake he was under a cloud"
Generic synonyms: Suspicion

10. Verb. Place under suspicion or cast doubt upon. "Sully someone's reputation"
Exact synonyms: Corrupt, Defile, Sully, Taint
Generic synonyms: Deflower, Impair, Mar, Spoil, Vitiate

11. Noun. A group of many things in the air or on the ground. "It discharged a cloud of spores"
Exact synonyms: Swarm
Generic synonyms: Group, Grouping
Member holonyms: Insect
Specialized synonyms: Infestation, Plague
Derivative terms: Swarm

12. Verb. Make less clear. "The stroke clouded memories of her youth"
Generic synonyms: Alter, Change, Modify

13. Verb. Colour with streaks or blotches of different shades.
Exact synonyms: Dapple, Mottle
Generic synonyms: Spot
Specialized synonyms: Harlequin, Speckle, Stipple
Derivative terms: Dapple, Mottling

14. Verb. Make milky or dull. "The chemical clouded the liquid to which it was added"
Generic synonyms: Dull

Definition of Cloud

1. n. A collection of visible vapor, or watery particles, suspended in the upper atmosphere.

2. v. t. To overspread or hide with a cloud or clouds; as, the sky is clouded.

3. v. i. To grow cloudy; to become obscure with clouds; -- often used with up.

Definition of Cloud

1. Noun. (obsolete) A rock; boulder; a hill. ¹

2. Noun. A visible mass of water droplets suspended in the air. ¹

3. Noun. Any mass of dust, steam or smoke resembling such a mass. ¹

4. Noun. Anything which makes things foggy or gloomy. ¹

5. Noun. A group or swarm, especially suspended above the ground or flying. ¹

6. Noun. An elliptical shape or symbol whose outline is a series of semicircles, supposed to resemble a cloud. ¹

7. Noun. (computing with '''the''') The Internet, regarded as an amorphous omnipresent space for processing and storage, the focus of cloud computing. ¹

8. Noun. (figuratively) A negative aspect of something positive: see every cloud has a silver lining or every silver lining has a cloud. ¹

9. Noun. (slang) crystal methamphetamine ¹

10. Verb. To become foggy or gloomy, to become obscured from sight. ¹

11. Verb. To make obscure (e.g. to cloud the issue). ¹

¹ Source:

Definition of Cloud

1. to cover with clouds (masses of visible vapor) [v -ED, -ING, -S]

Lexicographical Neighbors of Cloud

clotting factor
clotting time
cloud (current term)
cloud 9
cloud bank
cloud base
cloud bases
cloud burst
cloud ceiling
cloud chamber
cloud computing
cloud cover

Literary usage of Cloud

Below you will find example usage of this term as found in modern and/or classical literature:

1. Science by American Association for the Advancement of Science (1909)
"ing inductively that accounts for such pressures. A combined stress is set up towards the earth or towards another cloud mass of opposite charge. ..."

2. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1903)
"I have often felt a little fall of spirits when a dark cloud passed over the ... As far back as I can remember I have felt a fall in spirits when a cloud ..."

3. Notes and Queries by Martim de Albuquerque (1853)
"The Cumulus cloud forms from below. The invisible vapour of the lower ... The Cumulus cloud is ever changing in form. Cumulating from a level base, ..."

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