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.
Last year, Congress revoked California’s authority to put in place its Advanced Clean Trucks rule, which would have required a significant percentage of medium- and heavy-duty truck sales to be zero-emission by 2035. — Los Angeles Times, 27 Aug. 2026 The Chef's Knife offers the ultimate precision, while the Cleaver's wide blade design tackles heavy-duty cutting. — ABC News, 24 Aug. 2026 Instead of static metal racks, these systems rest on interlocking pontoons made from heavy-duty, UV-resistant plastics. — Aman Tripathi, Interesting Engineering, 21 Aug. 2026 These dishwasher-safe option offers heavy-duty protection from both high temperatures and thermal shock, for consistently soft, spreadable butter. — Clara Hillis, Architectural Digest, 18 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 2 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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