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.
Palladium is the go-to metal for gasoline engines, while platinum is more common in diesel and heavy-duty vehicles. Sharon Wu, USA Today, 23 Apr. 2026 That attack raised questions about how the city secured Bourbon Street and how a heavy-duty truck was able to drive onto one of the most pedestrian-heavy roads in the nation. Rebekah Riess, CNN Money, 23 Apr. 2026 This heavy-duty caddy is designed to move large planters with ease. Olivia McIntosh, Martha Stewart, 23 Apr. 2026 Manageable weight Some heavy-duty angle grinders can weigh as much as 16 pounds. Bestreviews, Mercury News, 22 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 27 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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