Nearby words

  1. clotted cream,
  2. clotting factor,
  3. clotty,
  4. cloture,
  5. clou,
  6. cloud banner,
  7. cloud base,
  8. cloud chamber,
  9. cloud computing,
  10. cloud cover


Origin of cloud

before 900; Middle English; Old English clūd rock, hill; probably akin to clod

Related formscloud·like, adjectivein·ter·cloud, verb (used with object)

Synonym study

19. Cloud, fog, haze, mist differ somewhat in their figurative uses. Cloud connotes especially daydreaming: His mind is in the clouds. Fog and haze connote especially bewilderment or confusion: to go around in a fog ( haze ). Mist has an emotional connotation and suggests tears: a mist in one's eyes.

Clouds, The


a comedy (423 b.c.) by Aristophanes. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for clouds

British Dictionary definitions for clouds



a mass of water or ice particles visible in the sky, usually white or grey, from which rain or snow falls when the particles coagulateSee also cirrus, cumulonimbus, cumulus, stratus
any collection of particles visible in the air, esp of smoke or dust
a large number of insects or other small animals in flight
something that darkens, threatens, or carries gloom
jewellery a cloudlike blemish in a transparent stone
(modifier) of or relating to cloud computinga cloud application
in the clouds not in contact with reality
under a cloud
  1. under reproach or suspicion
  2. in a state of gloom or bad temper
on cloud nine informal elated; very happy


(when intr, often foll by over or up) to make or become cloudy, overcast, or indistinct
(tr) to make obscure; darken
(tr) to confuse or impairemotion clouded his judgment
to make or become gloomy or depressed
(tr) to place under or render liable to suspicion or disgrace
to render (liquids) milky or dull or (of liquids) to become milky or dull
to become or render mottled or variegated
Derived Formscloudless, adjectivecloudlessly, adverbcloudlessness, nouncloudlike, adjective

Word Origin for cloud

C13 (in the sense: a mass of vapour): from Old English clūd rock, hill; probably related to clod

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for clouds
Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for clouds



A visible body of very fine water droplets or ice particles suspended in the atmosphere at altitudes ranging up to several miles above sea level. Clouds are formed when air that contains water vapor cools below the dew point.
A distinguishable mass of particles or gas, such as the collection of gases and dust in a nebula.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for clouds


Particles of water or ice suspended in the air. (See cirrus clouds, cumulus clouds, nimbus clouds, and stratus clouds.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with clouds


In addition to the idioms beginning with cloud

  • cloud over

also see:

  • head in the clouds
  • on cloud nine
  • silver lining, every cloud has
  • under a cloud
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.