diesel

noun

die·​sel ˈdē-zəl How to pronounce diesel (audio)
-səl
1
2
: a vehicle driven by a diesel engine
3

Examples of diesel in a Sentence

Does your car take diesel or gasoline?
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 war also caused gasoline and diesel prices to surge, causing further headaches for farmers. ABC News, 13 Apr. 2026 Oil prices are once again surging in the wake of war in the Middle East, driving up the cost of gasoline, diesel and jet fuel and threatening a return to stagflation — the toxic mix of higher prices and slower growth that made economic life so miserable a half-century ago. Paul Wiseman, Los Angeles Times, 12 Apr. 2026 On April 2, Haiti’s government announced a 37% increase in the cost of diesel and a 29% increase in the cost of gasoline. Evens Sanon, Fortune, 12 Apr. 2026 The Iran War and now failed peace talks have dominated the latest headlines here and across the country, and have resulted in sharp increases in gas prices, diesel prices and farm essentials like fertilizer. Esme Murphy, CBS News, 12 Apr. 2026 See All Example Sentences for diesel

Word History

Etymology

Rudolf Diesel

First Known Use

1894, in the meaning defined at sense 1

Time Traveler
The first known use of diesel was in 1894

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Cite this Entry

“Diesel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel. Accessed 18 Apr. 2026.

Kids Definition

diesel

noun
die·​sel ˈdē-zəl How to pronounce diesel (audio)
-səl
1
2
: a vehicle (as a truck or train) driven by a diesel engine
3
: a fuel designed for use in diesel engines
Etymology

named for Rudolf Diesel 1858–1913 German engineer

Biographical Definition

Diesel

biographical name

Die·​sel ˈdē-zəl How to pronounce Diesel (audio)
-səl
Rudolf 1858–1913 German mechanical engineer

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