heavy-duty
Americanadjective
-
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
-
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 company’s chips can quickly perform the heavy duty mathematics of AI computing, and CEO Andrew Feldman plans to serve the biggest frontier models on earth.
From Barron's • May 15, 2026
GM also assembles heavy duty trucks at its plant in Flint, Mich.
From The Wall Street Journal • Oct. 21, 2025
You need some real heavy duty bleach for that.
From Salon • Aug. 22, 2025
Bowlers have contemplated heavy duty machinery to knock off either man.
From BBC • Jul. 25, 2025
“Nah, I ain’t saying that. It’s just that eso esta heavy duty, thass all.”
From "Bodega Dreams" by Ernesto Quinonez
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.
