Did you know?

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

ground - definition and synonyms


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.



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.

verb ground pronunciation in American English /ɡraʊnd/
Word Forms
present tense
present participlegrounding
past tensegrounded
past participlegrounded
  • Facebook
  • Twitter
  1. 1
    [transitive] to stop an airplane from leaving the ground, or to stop people from flying somewhere

    All of their planes have been grounded.

  2. 2
    [transitive] to punish a child or young person by stopping them from going to places that they enjoy

    His parents grounded him for two weeks.

  3. 3
    [transitive] American to make a piece of electrical equipment safe by putting in a wire that takes the current to the ground
  4. 4
    [intransitive/transitive] if a boat grounds or is grounded, it hits a rock or the ground under the water
  5. 5
    [transitive] [often passive] to base a decision or idea on a particular thing
    be grounded in/on something:

    Any new policies need to be firmly grounded in careful analysis of the issues.

  6. 6
    [transitive] [often passive] to teach someone the basic parts of a subject
    be grounded in something:

    Trainees are grounded in the basic skills before they move on to more specialized work.

phrasal verbs



to fall over forwards so that your face hits the ground or another surface

BuzzWord Article

Open Dictionary


the activity of exploring abandoned buildings and other manmade structures

add a word


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
Macmillan learn live love play