Did you know?

Click any word in a definition or example to find the entry for that word

cloud - definition and synonyms

 
 
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
noun cloud pronunciation in American English /klaʊd/
Word Forms
Close
singularcloud
pluralclouds
  • Facebook
  • Twitter
  1. 1
    [countable/uncountable] a white or gray mass of very small drops of water in the sky

    A few white clouds drifted across the sky.

    There’s more cloud than yesterday.

  2. 2
    [countable] a large amount of smoke, dust, steam, etc. in the air

    a dust cloud

    cloud of:

    a huge cloud of black smoke

    1. a.
      any large mass in the sky that looks like a cloud

      A thick cloud of flies buzzed around us.

  3. 3
    [countable] something unpleasant that spoils an activity, event, or situation
    be/cast a cloud over something:

    Violent protests cast a cloud over the president’s visit.

    a cloud on the horizon (=something that is likely to spoil a situation):

    The only cloud on the horizon is the possibility of a hostile takeover.

unicorn

a start-up … whose value has reached more than one billion US dollars

BuzzWord Article

Open Dictionary

crafternoon

an afternoon full of crafts

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog