syn·​fu·​el ˈsin-ˌfyü(-ə)l How to pronounce synfuel (audio)
: a liquid or gaseous fuel derived especially from a fossil fuel that is a solid (such as coal) or part of a solid (such as tar sand or oil shale)

Examples of synfuel in a Sentence

Recent Examples on the Web Sasol’s Secunda synfuels operations increased production by 1 percent to a record 7.83 million tons. Paul Burkhardt,, 25 July 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'synfuel.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


synthetic + fuel

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of synfuel was in 1975

Dictionary Entries Near synfuel

Cite this Entry

“Synfuel.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

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