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.
This new fossil fuel boom is happening just as the impacts of the climate crisis — driven by fossil fuels — are beginning to bite in ever more alarming ways. Laura Paddison, CNN Money, 10 Nov. 2025 Its very strength—fossil fuels—is thus also its greatest vulnerability. Suriya Jayanti, Time, 10 Nov. 2025 But legal challenges from fossil fuel interests and their allies delayed the finalization of rules to rein in greenhouse gas pollution. Lauren Sommer, NPR, 10 Nov. 2025 But even as the governor touts the state’s climate achievements, his broader agenda faces friction on two fronts — from federal rollbacks that legally challenge California’s own state-level green authority, and from questions over his own commitment to phasing out fossil fuels. Chaewon Chung, Sacbee.com, 7 Nov. 2025 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 13 Nov. 2025.

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

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