fuel
Transitive VerbIntransitive Verb[C/U] Both
past: fueledpp: fueleding: fueling
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.