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.
Price spikes should be temporary — unlike the higher energy costs driven by the Democrats’ war on fossil fuels — but that will be of little solace to working-class Americans worried about affordability. Editorial, Boston Herald, 14 Mar. 2026 The administration has moved to slash regulations that the fossil fuel industry views as hurdles. Garrett Downs, CNBC, 13 Mar. 2026 The thirst for energy supply chains not linked to the spikes and falls of fossil fuel pricing is driving change. Kamal Ahmed, Fortune, 12 Mar. 2026 By every measure, and even with the loss of tax breaks and federal investments, renewable energy sources like solar and wind are far cheaper than fossil fuels. Voice Of The People, New York Daily News, 12 Mar. 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 16 Mar. 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

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