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.
Its heavy-duty mechanical hinges and titanium-alloy limbs can smash through cinder blocks—for industrial use or rescue scenarios, one hopes. — Amanda Loudin, Time, 15 Oct. 2026 Inside, the spacious interior has heated leather seats, which are the first in Grenadier history to feature oyster-colored seat inserts, and carpet mats that sit atop of heavy-duty (and easy-to-clean) rubber flooring. — Bryan Hood, Robb Report, 14 Oct. 2026 China’s NeodraDynamics Robotics has introduced a heavy-duty humanoid robot designed to handle industrial workloads beyond the capabilities of conventional electric machines. — Aamir Khollam, Interesting Engineering, 14 Oct. 2026 Some models also offer depth gauges for drilling, and a few offer a side handle, which gives you an extra grip for heavy-duty drilling situations. — Bestreviews, Chicago Tribune, 14 Oct. 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 20 Oct. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!