fuel

noun, often attributive
fu·​el | \ ˈfyü(-ə)l How to pronounce fuel (audio) \

Definition of fuel

 (Entry 1 of 2)

1a : a material used to produce heat or power by burning
b : nutritive material
c : a material from which atomic energy can be liberated especially in a reactor
2 : a source of sustenance or incentive : reinforcement

fuel

verb
fueled or fuelled; fueling or fuelling

Definition of fuel (Entry 2 of 2)

transitive verb

1 : to provide with fuel
2 : support, stimulate movement is fueled by massive grants-in-aid— Allen Schick

intransitive verb

: to take in fuel often used with up

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Synonyms for fuel

Synonyms: Noun

energy, power

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Examples of fuel in a Sentence

Noun

I had the fuel pump replaced on my car. These latest scandals will provide further fuel for his political opponents. These latest accusations will only add fuel to the controversy. The controversy continues to rage, and these latest accusations will only add fuel to the fire.

Verb

The airplanes were fueled in midair. The criticism she has faced has only fueled her determination to succeed. Inflation was fueled by high prices. The strong economy has fueled the construction of new homes.
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First Known Use of fuel

Noun

13th century, in the meaning defined at sense 1a

Verb

1592, in the meaning defined at transitive sense 1

History and Etymology for fuel

Noun

Middle English fewel, from Anglo-French fuail, feuaile, from Vulgar Latin *focalia, from Latin focus hearth

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Statistics for fuel

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Time Traveler for fuel

The first known use of fuel was in the 13th century

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More Definitions for fuel

fuel

noun

English Language Learners Definition of fuel

 (Entry 1 of 2)

: a material (such as coal, oil, or gas) that is burned to produce heat or power
: something that gives support or strength to something (such as argument or angry feelings)

fuel

verb

English Language Learners Definition of fuel (Entry 2 of 2)

: to supply (something) with fuel
: to take in fuel
: to give support or strength to (something)

fuel

noun
fu·​el | \ ˈfyü-əl How to pronounce fuel (audio) \

Kids Definition of fuel

 (Entry 1 of 2)

: a substance (as oil or gasoline) that can be burned to produce heat or power

fuel

verb
fueled or fuelled; fueling or fuelling

Kids Definition of fuel (Entry 2 of 2)

: to supply with or take on fuel

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More from Merriam-Webster on fuel

Rhyming Dictionary: Words that rhyme with fuel

Thesaurus: All synonyms and antonyms for fuel

Spanish Central: Translation of fuel

Nglish: Translation of fuel for Spanish Speakers

Britannica English: Translation of fuel for Arabic Speakers

Britannica.com: Encyclopedia article about fuel

Comments on fuel

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