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

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.
With over 28 pounds of drag and a deep spool, it’s made for techniques that require a heavy-duty reel and plenty of heavy line to go along with it. Derek Horner, Outdoor Life, 16 Apr. 2026 Not for power users This is not the machine for people doing heavy-duty video editing, gaming or running demanding software, where more power and higher-end graphics matter. Larry Magid, Mercury News, 16 Apr. 2026 Start by filling a heavy-duty plastic bag with vinegar. Patricia Shannon, Southern Living, 14 Apr. 2026 Analysts pointed to an improving North American truck market, which is goods news for the heavy-duty engine maker. Jim Cramer, CNBC, 13 Apr. 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

Browse Nearby Words

Cite this Entry

“Heavy-duty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy-duty. Accessed 19 Apr. 2026.

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
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