fuel

1 of 2

noun

fu·​el ˈfyü(-ə)l 

often attributive

1

a

: 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

2 of 2

verb

fueled or fuelled; fueling or fuelling

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

Synonyms

Noun

• energy
• power

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.

Recent Examples on the Web

Noun

How leaks happen Environmental experts say even a pinprick-size hole in an underground tank can send 400 gallons of fuel a year into the ground, polluting soil and water. —Jordan Gass-Pooré, The Christian Science Monitor, 30 May 2024

The Israel Defense Forces (IDF) said a major fire that broke out was due to a secondary explosion -- possibly of a fuel or weapons container. —Guy Davies, ABC News, 30 May 2024

Verb

Muscles store enough glycogen to fuel about a 60-minute run. —Laurel Leicht, Health, 1 June 2024

As if this wasn’t enough to fuel your passions, Mars will debut in Taurus on June 9, supercharging your career sector and reputation in the world. —Valerie Mesa, Peoplemag, 1 June 2024

Word History

Etymology

Noun

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

First Known Use

Noun

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

Verb

1592, in the meaning defined at transitive sense 1

Phrases Containing fuel

• alternative fuel
• diesel fuel
• flex-fuel
• fossil fuel
• fuel cell
• fuel economy
• fuel injection
• fuel oil
• fuel up

Kids Definition

fuel

1 of 2 noun

fu·​el ˈfyü(-ə)l 

1

a

: a material used to produce heat or power by burning

b

: a material from which atomic energy can be produced especially in a reactor

2

: a source of energy

fuel

2 of 2 verb

fueled or fuelled; fueling or fuelling

: to supply with or take in fuel