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Synonyms

heavy-duty

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

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.


heavy-duty British  

noun

  1. made to withstand hard wear, bad weather, etc

    heavy-duty uniforms

  2. 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

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.

It was basically the same as my old phone, but with the new heavy-duty case Grandma had insisted I buy, it felt about three times as big; I could barely get my hand around it.

From Literature

Such tariffs are already in place on commodities such as steel and lumber and on certain industries such as makers of medium- and heavy-duty trucks.

From The Wall Street Journal

So far, the big power equipment manufacturers have brushed aside concerns that these new players would erode pricing power for their large, heavy-duty turbines.

From The Wall Street Journal

The fences were made out of heavy-duty chain link.

From Literature

The medium- and heavy-duty segment, in particular, had already greatly consolidated as automakers have struggled to electrify — and monetize — delivery vans, buses and big rigs in the U.S.

From Los Angeles Times