We found 26 dictionaries that define the word illuminating:

General (22 matching dictionaries)

1. illuminating: Merriam-Webster
2. illuminating: Oxford Learner's Dictionaries
3. illuminating: Collins English Dictionary
4. illuminating: Vocabulary.com
5. Illuminating, illuminating: Wordnik
6. illuminating: Cambridge Advanced Learner's Dictionary
7. illuminating: Wiktionary
8. illuminating: Infoplease Dictionary
9. Illuminating, illuminating: Dictionary.com
10. illuminating: Cambridge Essential American English Dictionary
11. Illuminating: Wikipedia, the Free Encyclopedia
12. Illuminating: Online Plain Text English Dictionary
13. illuminating: Webster's Revised Unabridged, 1913 Edition
14. illuminating: Rhymezone
15. Illuminating: AllWords.com Multi-Lingual Dictionary
16. illuminating: Webster's 1828 Dictionary
17. illuminating: FreeDictionary.org
18. illuminating: Mnemonic Dictionary
19. illuminating: TheFreeDictionary.com
20. illuminating: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

21. illuminating: Legal dictionary

Computing (1 matching dictionary)

22. illuminating: Encyclopedia

Medicine (2 matching dictionaries)

23. illuminating: Merriam-Webster Medical Dictionary
24. illuminating: Medical dictionary

(Note: See illuminate as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Providing illumination or light. ▸ adjective:  (figuratively) Providing clarification or explanation; educational, revealing. Similar: enlightening, light, inlighted, illumined, luminant, illuminous, luminous, luciferous, kindling, light-bearing, more... Opposite: dark, dim, dreary, gloomy, murky Types: enlightening, instructive, edifying, explanatory, clarifying, more... Phrases: illuminating engineering, illuminating gas, Edison Illuminating Company, The United Illuminating Company, Illuminating Engineering Society, more... Adjectives: most, least, light, self, worth, highest, various, curious, ordinary, charming, world Colors:     yellow,     gold,     amber,     lemon,     sunflower, more... ▸ Words similar to illuminating ▸ Usage examples for illuminating ▸ Idioms related to illuminating ▸ Wikipedia articles (New!) ▸ Popular nouns described by illuminating ▸ Words that often appear near illuminating ▸ Rhymes of illuminating ▸ Invented words related to illuminating