heavy-duty

adjective

heavy-du·​ty ˈhe-vē-ˈdü-tē How to pronounce heavy-duty (audio)
-ˈdyü-
1
: able or designed to withstand unusual strain
heavy-duty trucks
2
: intensive
heavy-duty bargaining
3
: important, prominent
heavy-duty lawyers

Examples of heavy-duty in a Sentence

some heavy-duty lobbying on the part of the president was necessary in order to get the bill passed a group of heavy-duty politicians and other notables attended the gala
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To address this, legislation has been introduced requiring that a qualified human operator be present in autonomous heavy-duty trucks to take over manual control as needed. Kurt Knutsson, FOXNews.com, 25 June 2025 Mud, grass stains, and sweat stains need more cleaning power, so go with standard or more heavy-duty settings for those items. Karen Brewer Grossman, Southern Living, 24 June 2025 The setup includes heavy-duty tents, trailers, solar panels, and large generators. Antonio Maria Delgado, Miami Herald, 24 June 2025 Here's a closer look at the heavy-duty munition, the warplane that carries it, and one potential target. Unable to see our graphics? Janet Loehrke, USA Today, 19 June 2025 See All Example Sentences for heavy-duty

Word History

First Known Use

1914, in the meaning defined at sense 1

Time Traveler
The first known use of heavy-duty was in 1914

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Cite this Entry

“Heavy-duty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy-duty. Accessed 1 Jul. 2025.

Kids Definition

heavy-duty

adjective
heavy-du·​ty
ˌhev-ē-ˈd(y)üt-ē
: able or designed to take hard use or great strain
heavy-duty vehicles
Last Updated: - Updated example sentences
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