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.
The only thing standing in the way of progress is the powerful plastics and fossil fuel lobbyists — hired by the same companies responsible for polluting our planet and bodies with plastic and its toxic chemicals. Shanna Swan, New York Daily News, 27 Mar. 2026 No matter what happens next, the war underscores the volatility inherent to the global fossil fuel trade at a time when alternative technologies are proliferating. Tim McDonnell, semafor.com, 27 Mar. 2026 The Strait of Hormuz closure is simultaneously choking off their ability to get product to market, exposing how vulnerable the infrastructure of fossil fuel wealth can be. Ezgi Canpolat, The Conversation, 27 Mar. 2026 Wisconsin is a part of the Midcontinent Independent System Operator grid, which relies on roughly 70% fossil fuels and about 14% nuclear power. Caitlin Looby, jsonline.com, 27 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 30 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

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