Did you know?

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

pump - 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.

Thesaurus diagram

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.

noun [countable]     pump pronunciation in British English
Word Forms
  1. 1
    a piece of equipment for making a liquid or gas move into or out of something

    an air/a fuel pump

    a hand/foot pump (=operated with your hand or foot)

  2. 2
    [usually plural] British a shoe made of strong cloth, worn by children for doing sports at school
    1. a.
      British a flat shoe that does not fasten and is worn for dancing
    2. b.
      mainly American a plain type of woman’s shoe that has a heel and does not fasten
    3. c.
      a shiny type of man’s shoe that does not fasten and is worn for formal occasions
  3. 3
    the act or process of pumping something

    the pump of blood around his body



a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

BuzzWord Article

Open Dictionary


a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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