heavy-duty
Americanadjective
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providing an unusual amount of power, durability, etc..
heavy-duty machinery; heavy-duty shoes.
-
very important, impressive, or serious.
heavy-duty involvement; heavy-duty questions.
noun
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made to withstand hard wear, bad weather, etc
heavy-duty uniforms
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subject to high import or export taxes
Etymology
Origin of heavy-duty
First recorded in 1910–15
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.
The union said the DMV approved heavy-duty driverless vehicles without considering impact or public input.
From Los Angeles Times ● Aug. 29, 2026
Officials said the commitment will help fill in the gaps, and they aim to see Class 8 heavy-duty electric trucks driving the entire route as soon as 2030.
From Los Angeles Times ● Aug. 27, 2026
Diesel is the fuel of choice for heavy-duty vehicles and machinery, and its price affects every corner of the economy.
From MarketWatch ● Aug. 20, 2026
Terajewicz says that heavy-duty petrol backpack blowers can reach a maximum blowing force of about 50 newtons.
From BBC ● Aug. 20, 2026
I guessed I'd resolved the soul and sin thing by lapsing from my heavy-duty Catholic background, giving up my immortal soul for a blues kind of soul.
From "How the García Girls Lost Their Accents" by Julia Alvarez
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.
