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 industrious thrum of the heavy-duty sewing machines, along with the workers' chatter, normally fills the plant with a reassuring rhythm.

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Mexico and Canada are among the biggest suppliers of parts for medium and heavy-duty trucks, accounting for more than half of total US imports in the sector last year, said the chamber.

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Raymond, “Sound Machine” is an intimate image of a young child’s fear and awe for his dad, using a heavy-duty piece of music equipment as the source of his power.

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House representatives voted to prohibit California from banning the sale of new gasoline-only cars by 2035 and end California’s ability to set emissions standards for heavy-duty trucks and to combat smog levels in the state.

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In the heavy-duty space, the California Air Resources Board already has the Clean Truck Partnership — an agreement with nearly all truck manufacturers in the state to meet advanced emissions reduction targets.

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Related Words

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