heavy-duty

adjective

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

Synonyms of heavy-duty

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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.
The Hub has operated near continuously during its heavy-duty deployment. — Aamir Khollam, Interesting Engineering, 2 Sep. 2026 All these heavy-duty pickup truck operators—heavy-duty electric trucks are not a thing. — Joel Feder, The Drive, 2 Sep. 2026 The union said the DMV approved heavy-duty driverless vehicles without considering impact or public input. — Los Angeles Times, 29 Aug. 2026 Hopkins said modern safety design wraps uranium fuel pellets in multiple layers of heavy-duty ceramics and graphite casing, and they’re rendered inert when separated. — Jordan Blum, Fortune, 29 Aug. 2026 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

Rhymes for heavy-duty

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Browse Nearby Words

heavy date
heavy-duty
heavy-footed
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Cite this Entry

“Heavy-duty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy-duty. Accessed 4 Sep. 2026.

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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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