heavy-duty
adjective
-ˈdyü-\
Definition of heavy-duty
Synonyms & Antonyms for heavy-duty
Synonyms
heavy, important, influential, mighty, potent, powerful, puissant, significant, strong
Antonyms
helpless, impotent, insignificant, little, powerless, unimportant, weak
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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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