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.
The Office for Product Safety & Standards said if the sand is still in its packaging it should be placed in a heavy-duty plastic bag, double taped securely and stored away from children.
From BBC • May 1, 2026
"There is likely to be higher demand for electric heavy-duty vehicles as fleet owners try to minimise their vulnerability to volatile diesel costs," he said.
From Barron's • Apr. 29, 2026
Volvo sees the European heavy-duty truck market at 310,000 vehicles in 2026, up from a previous estimate of 305,000 and it also raised its Brazilian and Indian truck market forecasts.
From The Wall Street Journal • Apr. 24, 2026
Beyond its free version of ChatGPT, OpenAI offers an $8 Go plan for casual users, the standard $20 Plus plan and a $200 Pro tier for heavy-duty developers.
From MarketWatch • Mar. 25, 2026
The door had a brushed brass plate with a slot and heavy-duty handle.
From "Native Speaker" by Chang-rae Lee
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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.