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We found 42 dictionaries with English definitions that include the word paranoia:
Click on the first link on a line below to go directly to a page where "paranoia" is defined.

General (32 matching dictionaries)

1. paranoia: Merriam-Webster.com [home, info]
2. paranoia: Oxford Dictionaries [home, info]
3. paranoia: American Heritage Dictionary of the English Language [home, info]
4. paranoia: Collins English Dictionary [home, info]
5. paranoia: Vocabulary.com [home, info]
6. paranoia: Macmillan Dictionary [home, info]
7. Paranoia, paranoia: Wordnik [home, info]
8. paranoia: Cambridge Advanced Learner's Dictionary [home, info]
9. paranoia: Wiktionary [home, info]
10. paranoia: Webster's New World College Dictionary, 4th Ed. [home, info]
11. paranoia: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. paranoia: Infoplease Dictionary [home, info]
13. paranoia: Dictionary.com [home, info]
14. paranoia: Online Etymology Dictionary [home, info]
15. paranoia: UltraLingua English Dictionary [home, info]
16. paranoia: Cambridge Dictionary of American English [home, info]
17. paranoia (de): AllWords.com Multi-Lingual Dictionary [home, info]
18. paranoia: Hutchinson's Dictionary of Difficult Words [home, info]
19. Paranoia: 1911 edition of the Encyclopedia Britannica [home, info]
20. paranoia: Free Dictionary [home, info]
21. paranoia: Hutchinson Dictionaries [home, info]
22. paranoia: Mnemonic Dictionary [home, info]
23. paranoia: WordNet 1.7 Vocabulary Helper [home, info]
24. paranoia: LookWAYup Translating Dictionary/Thesaurus [home, info]
25. paranoia: Dictionary/thesaurus [home, info]
26. Paranoia (A Day to Remember song), Paranoia (Brooklyn Nine-Nine), Paranoia (disambiguation), Paranoia (film), Paranoia (game show), Paranoia (novel), Paranoia (role-playing game), Paranoia (video game), Paranoia: Wikipedia, the Free Encyclopedia [home, info]
27. Paranoia: Online Plain Text English Dictionary [home, info]
28. paranoia: Webster's Revised Unabridged, 1913 Edition [home, info]
29. paranoia: Rhymezone [home, info]
30. Paranoia (f), paranoia, paranoia, paranoia: AllWords.com Multi-Lingual Dictionary [home, info]

Business (1 matching dictionary)

31. paranoia: Legal dictionary [home, info]

Computing (1 matching dictionary)

32. paranoia: Encyclopedia [home, info]

Medicine (6 matching dictionaries)

33. Paranoia: Merck Manuals [home, info]
34. paranoia: online medical dictionary [home, info]
35. paranoia: Dictionary of Cancer Terms [home, info]
36. paranoia: Medical dictionary [home, info]
37. Paranoia: WeMove Glossary of Terms [home, info]
38. paranoia: Hyperdictionary [home, info]

Miscellaneous (2 matching dictionaries)

39. Paranoia: Brilliant Dream Dictionary [home, info]
40. paranoia: Wordcraft Dictionary [home, info]

(Note: See paranoically for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (paranoia) ▸ noun:  a psychological disorder characterized by delusions of persecution or grandeur ▸ Also see paranoically ▸ Word origin ▸ Words similar to paranoia ▸ Usage examples for paranoia ▸ Popular adjectives describing paranoia ▸ Words that often appear near paranoia ▸ Rhymes of paranoia ▸ Invented words related to paranoia