fuel
Intermediate (B1)
IPA: /fjuːl/
KK: /fjul/
intransitive verb
Definition
To take in energy or power, typically in the form of a substance that can be burned or consumed to produce heat or energy.
Example
The engine will fuel efficiently if it receives the right type of gasoline.
Tense Forms
Past: fueled
Past Participle: fueled
Conversation
Did you see how much gas my car fueled during our last trip?
Yeah, it seems like it fuels up pretty quickly!
I guess it’s time to find a good station to fuel it again.
Definitely! Let’s make sure we don’t run out on the road.
Synonyms & Antonyms
Synonyms
feed
power
energize
Antonyms
deplete
exhaust
empty
noun
Definition
A substance that is burned or used to produce energy, heat, or power, such as wood, coal, gas, or oil.
Example
The car needs fuel to run properly.
Conversation
What do you think is the best kind of fuel for a campfire?
I always prefer using wood because it burns nicely and smells great.
That's true, but I heard charcoal can provide a more consistent heat.
transitive verb
Definition
To supply energy or power to something, often by providing a substance that can be burned or consumed.
Example
The company plans to fuel its operations with renewable energy sources.
Tense Forms
Past: fueled
Past Participle: fueled
Conversation
Did you hear about the new project at work?
Yeah, I heard they're trying to fuel more innovation this time.
Exactly! I think it will really fuel our team's creativity.
Root Explanation
Fuel originates from the Old French word *fouaille*, meaning to feed or to supply. It refers to a substance that provides energy or sustenance for combustion or power.
Memory Tip
Think of 'feeding' something to provide energy — that's why fuel is what we use to power things.
Visually Confused Words
refuel
furdel
funnel