Designed to withstand hard usage without breaking.
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(slang) Very serious or important.
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Heavy-duty Sentence Examples
Modern water resistant beach blankets mostly feature a heavy-duty yet lightweight nylon backing and polyester top that makes the blanket light and easy to care for.
On its entering British territory a heavy duty is imposed on Malwa opium, so as to raise its price to an equality with the government article.
The very heavy-duty grade is available in drums only.
Now, the risk analysis I have presented is pretty heavy-duty.
We are low-volume manufacturers of heavy-duty, precision instrumentation products - we mill, turn & weld.