heavy-duty

adjective
heavy-du·ty | \ˈhe-vē-ˈdü-tē, -ˈdyü-\

Definition of heavy-duty 

1 : able or designed to withstand unusual strain heavy-duty trucks

2 : intensive heavy-duty bargaining

3 : important, prominent heavy-duty lawyers

First Known Use of heavy-duty

1914, in the meaning defined at sense 1

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The first known use of heavy-duty was in 1914

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More Definitions for heavy-duty

heavy-duty

adjective

English Language Learners Definition of heavy-duty

: designed to do difficult work without breaking

: very intense or serious

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