Did you know?

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

fuel - 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
ThesaurusThesaurus
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.

more
noun     fuel pronunciation in American English
/ˈfjuəl/
Word Forms
Close
singularfuel
pluralfuels
  1. 1
    [countable/uncountable] a substance such as oil, gas, coal, or wood that produces heat or power when it is burned. Coal and wood are sometimes called solid fuel

    Drivers are being encouraged to save fuel.

    a shortage of food and fuel

    1. a.
      [uncountable] gas or diesel used in vehicles

      The stolen car was abandoned when it ran out of fuel.

      a car that runs on unleaded fuel

    2. b.
      [only before noun] used as fuel, or relating to fuel

      fuel oil

  2. 2
    [uncountable] mainly journalism something that someone can use to support their argument
    fuel to/for:

    The report’s conclusions give fuel to the criticism that the administration has abandoned the principles of the party.

    add fuel to something (=make people argue more):

    Reports from Manila only added fuel to the controversy.

BuzzWord

moonbow

a rainbow produced when water droplets in the air reflect light from the moon rather than the sun

BuzzWord Article

Open Dictionary

platform capitalism

a way of doing business that involves recruiting large numbers of people who work for themselves using the company's platform, as used by companies such as Uber, Deliveroo and the like

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
Macmillan learn live love play