fuel

noun

What does fuel mean?

A substance, such as coal, gas, or oil, that is burned to produce heat or power. It is used to drive engines, generate electricity, or provide warmth. Fuel can also refer to anything that sustains or stimulates an activity or emotion, such as motivation or inspiration.

Concept map for fuel

See how the word fuel connects with other words and concepts.

Related words

Related words to fuel: car

About this entry

Language:
ENG
Part of speech:
noun
Last updated:
Jan 18, 2026