diesel
1 Americanadjective
-
noting a machine or vehicle powered by a diesel engine.
diesel locomotive.
-
of or relating to a diesel engine.
diesel fuel.
noun
-
a vehicle powered by a diesel engine.
noun
noun
-
See diesel engine
-
a ship, locomotive, lorry, etc, driven by a diesel engine
-
informal short for diesel oil
-
slang any cola drink
spook and diesel
-
See suck
noun
Etymology
Origin of diesel
After R. Diesel, the engine's inventor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For Ukraine, the potential scarcity of fuel and surge in prices caused by the war on Iran is a worry: its own frontline troops need large amounts of diesel for their tanks and vehicles.
From BBC • Apr. 3, 2026
Ben Steffen, a farmer in southeast Nebraska, said he was budgeting to pay $4,000 to $5,000 more in diesel than he previously expected this planting season.
From The Wall Street Journal • Apr. 3, 2026
Ireland has cut taxes on petrol and diesel, Australia has halved fuel duty for three months and Slovenia has become the first EU member state to introduce fuel rationing.
From BBC • Apr. 3, 2026
Darling is one of a handful of companies turning animal fats, cooking oil, and food waste into diesel, jet fuel, fertilizer, and feedstock.
From Barron's • Apr. 2, 2026
He got up and went out to the verandah; the sudden hot air, the roar of his neighbor’s generator, the smell of diesel exhaust fumes brought a lightness to his head.
From "Americanah" by Chimamanda Ngozi Adichie
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.