fuel
The term carries a strong association with raw power and combustion. When used physically, it refers to the literal energy source that drives a machine, creating an image of ignition and propulsion. In a social or emotional context, it describes the act of adding energy to a volatile situation. It suggests a dangerous escalation, where a small spark is turned into a blaze, often implying that the resulting conflict is aggressive or uncontrollable.
Uncountable when referring to the general substance like gasoline or coal. Countable when referring to specific types of energy sources, such as alternative fuels.
Meanings
A substance used to provide energy for heating or power.
"The car runs on diesel fuel."
To provide with fuel or to stimulate and intensify a feeling or situation.
"The protesters' anger fueled the riots."
To fill a vehicle or engine with fuel.
"The pilot stopped to fuel before the long flight."
Examples
Wood is a traditional fuel used for heating homes.
The scandal continued to fuel public distrust in the government.
We need to stop and fuel before we hit the highway.
Phrasal Verbs
fuel up
to fill a vehicle's tank with fuel
We need to stop at the next station to fuel up before we hit the highway.