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heavy-duty

[ hev-ee-doo-tee, -dyoo- ]
/ ˈhɛv iˈdu ti, -ˈdyu- /
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adjective

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. 2021

British Dictionary definitions for heavy-duty

heavy-duty

noun (modifier)

made to withstand hard wear, bad weather, etcheavy-duty uniforms
subject to high import or export taxes
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
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