heavy-duty
adjective/ˌhevi ˈdjuːti/
/ˌhevi ˈduːti/
[only before noun]- not easily damaged and therefore suitable for hard physical work or to be used all the time
- a heavy-duty carpet
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- (informal, especially North American English) very serious or great in quantity
- I think you need some heavy-duty advice.
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heavy-duty