heavy-duty

[hev-ee-doo-tee, -dyoo-]

adjective

1. providing an unusual amount of power, durability, etc..

   heavy-duty machinery; heavy-duty shoes.

2. very important, impressive, or serious.

   heavy-duty involvement; heavy-duty questions.

heavy-duty

noun

1. made to withstand hard wear, bad weather, etc

   heavy-duty uniforms

2. subject to high import or export taxes

Word History and Origins

Origin of heavy-duty¹

First recorded in 1910–15

Example Sentences

The U.S. also jacked up duties on medium- and heavy-duty trucks.

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The court battle is one more sign of the struggles logistics companies face as they try to hit sustainability targets by deploying zero-emission heavy-duty trucks in the U.S.

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But the gigantic heavy-duty bags—each able to hold about a ton of trash—are packed full of radioactive debris.

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The truck wasn’t huge but it should have been noticeable given that it carried a heavy-duty ladder.

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GE Vernova has outlined plans to invest more than $300 million in gas-turbine manufacturing as part of a plan to deliver up to 80 heavy-duty turbines a year, up from the recent average of 55.

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Related Words

• colossal 
• considerable 
• enormous 
• fat 
• full 
• gigantic 
• hefty 
• huge 
• immense 
• massive 
• sizable 
• substantial 
• tremendous 
• vast