We found 33 dictionaries that define the word combustible:

General (25 matching dictionaries)

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

Business (1 matching dictionary)

24. Construction Term Glossary (No longer online)

Medicine (3 matching dictionaries)

25. combustible: Merriam-Webster Medical Dictionary
26. online medical dictionary (No longer online)
27. combustible: Medical dictionary

Science (2 matching dictionaries)

28. Chemistry Dictionary (No longer online)
29. Combustible: Material Safety Data Sheets HyperGlossary

Slang (1 matching dictionary)

30. combustible: Urban Dictionary

Tech (1 matching dictionary)

31. National Glass Association Glossary (No longer online)

(Note: See combustibility as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Capable of burning. ▸ adjective:  (figurative, dated) Easily kindled or excited; quick; fiery; irascible. ▸ noun:  A material that is capable of burning. Similar: flammable, ignitable, burnable, inflammable, combustive, incendiary, ignescent, rich, fuel, peaty, more... Opposite: incombustible, noncombustible Types: gasoline, kerosene, propane, butane, methane, ethane, natural gas, wood, coal, more... Phrases: combustible materials, combustible material, combustible liquid, combustible shale, Combustible Edison, more... Adjectives: volatile, more, other, total, less, unburned, solid, unconsumed, light, liquid, only Colors:     flame,     firebrick,     crimson,     scarlet,     vermilion, more... ▸ Words similar to combustible ▸ Usage examples for combustible ▸ Idioms related to combustible ▸ Wikipedia articles (New!) ▸ Popular adjectives describing combustible ▸ Popular nouns described by combustible ▸ Words that often appear near combustible ▸ Rhymes of combustible ▸ Invented words related to combustible