We found 33 dictionaries that define the word hazardous:

General (25 matching dictionaries)

1. hazardous: Oxford Learner's Dictionaries
2. hazardous: American Heritage Dictionary of the English Language
3. hazardous: Collins English Dictionary
4. hazardous: Vocabulary.com
5. Hazardous, hazardous: Wordnik
6. hazardous: Cambridge Advanced Learner's Dictionary
7. hazardous: Wiktionary
8. hazardous: Webster's New World College Dictionary, 4th Ed.
9. hazardous: The Wordsmyth English Dictionary-Thesaurus
10. hazardous: Infoplease Dictionary
11. hazardous: Dictionary.com
12. hazardous: Cambridge Essential American English Dictionary
13. Hazardous (album), Hazardous: Wikipedia, the Free Encyclopedia
14. Hazardous: Online Plain Text English Dictionary
15. hazardous: Webster's Revised Unabridged, 1913 Edition
16. hazardous: Rhymezone
17. hazardous: AllWords.com Multi-Lingual Dictionary
18. hazardous: Webster's 1828 Dictionary
19. hazardous: FreeDictionary.org
20. hazardous: Mnemonic Dictionary
21. hazardous: TheFreeDictionary.com
22. hazardous: Merriam-Webster
23. hazardous: Longman Dictionary of Contemporary English

Art (1 matching dictionary)

24. hazardous: ArtLex Lexicon of Visual Art Terminology

Business (3 matching dictionaries)

25. hazardous: Merriam-Webster Legal Dictionary
26. Glossary of Legal Terms (No longer online)
27. hazardous: Legal dictionary

Computing (1 matching dictionary)

28. hazardous: Encyclopedia

Medicine (1 matching dictionary)

29. hazardous: Medical dictionary

Science (1 matching dictionary)

30. Hazardous: Material Safety Data Sheets HyperGlossary

Slang (1 matching dictionary)

31. Hazardous: Urban Dictionary

(Note: See hazardously as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Risky; dangerous; with the nature of a hazard. ▸ adjective:  Of or involving chance. Similar: risky, dangerous, venturous, venturesome, unsafe, hazardable, riskish, riskable, endangerable, hazardproof, more... Opposite: safe, secure, harmless, benign, nonthreatening Phrases: Hazardous waste, hazardous materials, hazardous wastes, hazardous substances, hazardous substance, more... Adjectives: least, extra, see, non, most, second, unacceptably, solid, best, potassium, one Colors:     yellow,     red,     orange,     black,     neon green, more... ▸ Words similar to hazardous ▸ Usage examples for hazardous ▸ Idioms related to hazardous ▸ Wikipedia articles (New!) ▸ Popular nouns described by hazardous ▸ Words that often appear near hazardous ▸ Rhymes of hazardous ▸ Invented words related to hazardous