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heavy-duty

[hev-ee-doo-tee, -dyoo-]
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adjective
  1. providing an unusual amount of power, durability, etc.: heavy-duty machinery; heavy-duty shoes.
  2. 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

Historical Examples

  • He ran some heavy-duty motors off it and a few other things like that.

    With No Strings Attached

    Gordon Randall Garrett (AKA David Gordon)

  • The elder Dr. Arcot glanced in surprise at the heavy-duty ammeter in a control panel.

    Islands of Space

    John W Campbell

  • A heavy-duty drilling machine performs this work, then the block goes to the lathe for further operations.

    Aviation Engines

    Victor Wilfred Pag

  • The guard was a big man, with a heavy-duty stunner resting in the crook of his elbow.

    Gold in the Sky

    Alan 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 Repeats

    George Oliver Smith


British Dictionary definitions for heavy-duty

heavy-duty

noun (modifier)
  1. made to withstand hard wear, bad weather, etcheavy-duty uniforms
  2. 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

adj.

"durable, strong," 1914; see heavy + duty.

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Online Etymology Dictionary, © 2010 Douglas Harper