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
-
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.
Tesla is set to reintroduce its all-electric, heavy-duty truck to investors on Thursday evening, nearly nine years after CEO Elon Musk first promised the vehicle.
From MarketWatch ● Sep. 24, 2026
All eyes have been on diesel, however, given it’s the fuel of choice for heavy-duty vehicles and machinery.
From MarketWatch ● Sep. 11, 2026
Windrose burst onto the electric trucking scene in the past few years, saying it had raised about $400 million to develop a fleet of cutting-edge, battery-electric trucks aimed at challenging Tesla’s new heavy-duty Semi.
From The Wall Street Journal ● Sep. 4, 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
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.
