We found 39 dictionaries that define the word madness:

General (26 matching dictionaries)

1. madness: Longman Dictionary of Contemporary English
2. madness: Merriam-Webster
3. madness: Oxford Learner's Dictionaries
4. madness: American Heritage Dictionary of the English Language
5. madness: Collins English Dictionary
6. madness: Vocabulary.com
7. Madness, madness: Wordnik
8. madness: Cambridge Advanced Learner's Dictionary
9. madness: Wiktionary
10. madness: Webster's New World College Dictionary, 4th Ed.
11. madness: The Wordsmyth English Dictionary-Thesaurus
12. madness: Infoplease Dictionary
13. Madness, madness: Dictionary.com
14. madness: Cambridge Essential American English Dictionary
15. MADNESS, Madness (All That Remains album), Madness (Cascada song), Madness (Guy Sebastian album), Madness (Is All in the Mind), Madness (Ivi Adamou song), Madness (Madness album), Madness (Muse song), Madness (Sleeping With Sirens album), Madness (Sleeping with Sirens album), Madness (Tony MacAlpine album), Madness (band), Madness (manga), Madness, The Madness (Art of Anarchy album), The Madness (The Madness album), The Madness (album): Wikipedia, the Free Encyclopedia
16. Madness: Online Plain Text English Dictionary
17. madness: Webster's Revised Unabridged, 1913 Edition
18. madness: Rhymezone
19. madness: AllWords.com Multi-Lingual Dictionary
20. madness: Webster's 1828 Dictionary
21. Madness: Dictionary of Phrase and Fable (1898)
22. madness: FreeDictionary.org
23. madness: Mnemonic Dictionary
24. madness: TheFreeDictionary.com

Business (1 matching dictionary)

25. madness: Legal dictionary

Computing (1 matching dictionary)

26. Madness: Encyclopedia

Medicine (4 matching dictionaries)

27. madness: Merriam-Webster Medical Dictionary
28. Madness: Merck Manuals
29. online medical dictionary (No longer online)
30. madness: Medical dictionary

Miscellaneous (2 matching dictionaries)

31. Brilliant Dream Dictionary (No longer online)
32. madness: Idioms

Religion (2 matching dictionaries)

33. Madness: Easton Bible
34. Madness: Smith's Bible Dictionary

Science (1 matching dictionary)

35. madness: Cytokines & Cells Online Pathfinder Encyclopaedia

Slang (2 matching dictionaries)

36. madness: Green’s Dictionary of Slang
37. the madness: Urban Dictionary

Definitions from Wiktionary ( ) ▸ noun:  The state of being mad; insanity; mental disease. ▸ noun:  The state of being angry. ▸ noun:  rash folly Similar: insaneness, lunacy, fury, rage, hydrophobia, rabies, insanity, craziness, unsanity, crazedness, more... Opposite: sanity, rationality, calmness, lucidity, reason Types: dementia, delirium, psychosis, schizophrenia, manic depression, more... Phrases: March Madness, midsummer madness, moon madness, myxedema madness, canine madness, more... Adjectives: sheer, such, divine, own, utter, mere, feigned, temporary, pure, real, absolute Colors:     red,     black,     purple,     neon green,     dark blue, more... ▸ Words similar to madness ▸ Usage examples for madness ▸ Idioms related to madness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing madness ▸ Words that often appear near madness ▸ Rhymes of madness ▸ Invented words related to madness