heavy-duty

adjective

heavy-du·​ty ˈhe-vē-ˈdü-tē 

-ˈdyü-

1

: able or designed to withstand unusual strain

heavy-duty trucks

2

: intensive

heavy-duty bargaining

3

: important, prominent

heavy-duty lawyers

Synonyms

• acute
• almighty
• blistering
• deep
• dreadful
• excruciating
• explosive
• exquisite
• fearful
• fearsome
• ferocious
• fierce
• frightful
• furious
• ghastly
• hard
• heavy
• hellacious
• intense
• intensive
• keen
• profound
• terrible
• vehement
• vicious
• violent

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

That said, Yeti’s heavy-duty signature zippers are leakproof, just one reason nearly 90 percent of the Hopper Flip’s 2,000-plus ratings are perfect five-star ratings. —Katie Jackson, Travel + Leisure, 15 May 2024

The plan also calls for the city to have an all-electric fleet for light-duty vehicles by 2035 and to have 75 percent of its heavy-duty vehicles be electric by that time. —David Garrick, San Diego Union-Tribune, 14 May 2024

Thanks to these heavy-duty, dishwasher-safe mats, which are safe to use up to 500 degrees Fahrenheit, the dreadful task of cleaning our oven is significantly simplified. —Wendy Vazquez, Southern Living, 12 May 2024

Along with persistent regional demand, primary sectors such as agriculture, heavy-duty transport, and energy generation still widely depend on combustion engines. —Patrice Haettel, Fortune, 8 May 2024

Stamping supplies multiple plants in the United States, Canada and Mexico that build the Dodge Durango, Chrysler Pacifica and Ram light- and heavy-duty trucks as well as Jeep Gladiator, Grand Cherokee, Wrangler, Wagoneer and Grand Wagoneer. —Eric D. Lawrence, Detroit Free Press, 7 May 2024

The utility has 500 projects at various stages of development for 14,000 chargers that focus on light-, medium- and heavy-duty vehicles. —Ivan Penn, New York Times, 4 May 2024

Daimler Truck, Volvo and Volkswagen’s Traton are under growing regulatory pressure to cut emissions, but sales of their electric trucks— including heavy-duty rigs like the Mercedes-Benz eActros 600 that can travel 500 kilometers (311 miles) on a charge — remain minimal. —Stefan Nicola, Fortune Europe, 2 May 2024

Michael Yung was named CFO at Phoenix Motor (Nasdaq: PEV), a manufacturer of heavy-duty vehicles. —Sheryl Estrada, Fortune, 19 Apr. 2024

Word History

First Known Use

1914, in the meaning defined at sense 1

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