fossil fuel

noun

: a fuel (such as coal, oil, or natural gas) formed in the earth from plant or animal remains
fossil-fueled adjective

Examples of fossil fuel in a Sentence

oil and other fossil fuels
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As the nation restructures its economy away from fossil fuels, there are those who believe that valuable lessons can be learned from Desert Warrior to support filmmaking endeavors in the future. Jake Kanter, Deadline, 2 May 2026 The energy for burning is often derived from fossil fuels. Dorany Pineda, Fortune, 2 May 2026 The crisis is also making renewable energy more appealing and could speed up the decline of fossil fuels. Ivana Kottasová, CNN Money, 2 May 2026 The bullet points highlight Steyer’s hedge fund’s investments in fossil fuel, tobacco, private prisons and casinos. Seema Mehta, Los Angeles Times, 1 May 2026 See All Example Sentences for fossil fuel

Word History

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of fossil fuel was in 1759

Browse Nearby Words

Cite this Entry

“Fossil fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20fuel. Accessed 5 May. 2026.

Kids Definition

fossil fuel

noun
: a fuel (as coal, oil, or natural gas) that is formed in the earth from plant or animal remains

More from Merriam-Webster on fossil fuel

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster