We found 45 dictionaries that define the word complexity:

General (25 matching dictionaries)

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

Art (3 matching dictionaries)

24. complexity: ArtLex Lexicon of Visual Art Terminology
25. Epicurus.com Coffee Glossary (No longer online)
26. Epicurus.com Wine Glossary (No longer online)

Business (4 matching dictionaries)

27. MoneyGlossary.com (No longer online)
28. Glossary of Error-Proofing Terms (No longer online)
29. complexity: Legal dictionary
30. BusinessDictionary.com (No longer online)

Computing (4 matching dictionaries)

31. complexity: Free On-line Dictionary of Computing
32. complexity: Dictionary of Algorithms and Data Structures
33. complexity: Hacking Lexicon
34. complexity: Encyclopedia

Medicine (1 matching dictionary)

35. online medical dictionary (No longer online)

Science (6 matching dictionaries)

36. Drug Discovery and Development (No longer online)
37. Complexity: Eric Weisstein's World of Mathematics
38. Mathematical Programming (No longer online)
39. The Computational Beauty of Nature (No longer online)
40. Complexity: Extragalactic Astronomy
41. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Slang (1 matching dictionary)

42. compLexity: Urban Dictionary

Tech (1 matching dictionary)

43. Glossary of Coffee Terminology (No longer online)

(Note: See complexities as well.)

Definitions from Wiktionary ( ) ▸ noun:  (uncountable) The state of being complex; intricacy; entanglement. ▸ noun:  (countable) That which is and renders complex; intricacy; complication. Similar: complexness, intricacy, complicatedness, richness, sophistication, nuance, robustness, subtlety, simplicity, extensiveness, more... Opposite: simplicity, clarity, straightforwardness, ease, plainness Types: social complexity, more... Phrases: Computational complexity, time complexity, complexity theory, low complexity, space complexity, more... Adjectives: greater, computational, structural, social, cognitive, considerable, higher, more, full, additional, extreme Colors:     charcoal,     burgundy,     teal,     olive,     indigo, more... ▸ Words similar to complexity ▸ Usage examples for complexity ▸ Idioms related to complexity ▸ Wikipedia articles (New!) ▸ Popular adjectives describing complexity ▸ Words that often appear near complexity ▸ Rhymes of complexity ▸ Invented words related to complexity