heavy-duty
[hev-ee-doo-tee, -dyoo-]
- 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.
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Origin of heavy-duty
First recorded in 1910–15
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heavy-duty
Contemporary Examples
Increasing fuel-economy standards for heavy-duty vehicles is, too.
He always brought a heavy-duty hockey duffel with him to work, but he hit the gym more often and toned down.
Britney Spears and Jason Trawick: He’s Her Fiancé, Manager, and ConservatorRamin Setoodeh
September 11, 2012
Two rebel commanders tell Eli Lake they could oust Assad within a month—if the U.S. supplies them with some heavy-duty weapons.
Cover the roasting pan with a fitted top or heavy-duty aluminum foil.
Remove the roasting pan from the heat and carefully cover it with a fitted lid or heavy-duty aluminum foil.
Historical Examples
He ran some heavy-duty motors off it and a few other things like that.
With No Strings AttachedGordon Randall Garrett (AKA David Gordon)
The elder Dr. Arcot glanced in surprise at the heavy-duty ammeter in a control panel.
Islands of SpaceJohn W Campbell
A heavy-duty drilling machine performs this work, then the block goes to the lathe for further operations.
Aviation EnginesVictor Wilfred Pag
The guard was a big man, with a heavy-duty stunner resting in the crook of his elbow.
Gold in the SkyAlan Edward Nourse
He stepped back and to one side and reached for his heavy-duty pencil—the dog gave a low growl of warning and crouched for a leap.
History RepeatsGeorge Oliver Smith
heavy-duty
- made to withstand hard wear, bad weather, etcheavy-duty uniforms
- subject to high import or export taxes
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for heavy-duty
Online Etymology Dictionary, © 2010 Douglas Harper