We found 23 dictionaries that define the word heavy-duty:

General (19 matching dictionaries)

1. heavy-duty: Merriam-Webster
2. heavy-duty: Oxford Learner's Dictionaries
3. heavy-duty: American Heritage Dictionary of the English Language
4. heavy-duty, heavy-duty: Collins English Dictionary
5. heavy-duty: Vocabulary.com
6. Heavy-Duty, Heavy-duty, heavy-duty: Wordnik
7. heavy-duty: Cambridge Advanced Learner's Dictionary
8. heavy-duty: Wiktionary
9. heavy-duty: Webster's New World College Dictionary, 4th Ed.
10. heavy-duty: The Wordsmyth English Dictionary-Thesaurus
11. heavy-duty: Infoplease Dictionary
12. heavy-duty: Dictionary.com
13. heavy-duty: Cambridge Essential American English Dictionary
14. heavy-duty: Rhymezone
15. heavy-duty: FreeDictionary.org
16. heavy-duty: Mnemonic Dictionary
17. heavy-duty: TheFreeDictionary.com

Computing (1 matching dictionary)

18. heavy-duty: Encyclopedia

Miscellaneous (1 matching dictionary)

19. heavy-duty: Idioms

Slang (1 matching dictionary)

20. heavy-duty: Green’s Dictionary of Slang

Tech (1 matching dictionary)

21. AUTOMOTIVE TERMS (No longer online)

Definitions from Wiktionary ( ) ▸ adjective:  Designed to withstand hard usage without breaking; hard-wearing. ▸ adjective:  (informal) Very serious, intense, or demanding. Similar: heavy, industrial, hard-wearing, superdurable, unbreakable, hardwearing, light-duty, ultradurable, hard, crushproof, more... Opposite: light, lite, ultralight Types: mining equipment, forestry equipment, more... Phrases: heavy-duty vehicle, more... ▸ Words similar to heavy-duty ▸ Usage examples for heavy-duty ▸ Idioms related to heavy-duty ▸ Wikipedia articles (New!) ▸ Popular nouns described by heavy-duty ▸ Words that often appear near heavy-duty ▸ Rhymes of heavy-duty ▸ Invented words related to heavy-duty