We found 26 dictionaries that define the word paranoid:

General (19 matching dictionaries)

1. paranoid: Merriam-Webster.com
2. paranoid: Oxford Learner's Dictionaries
3. paranoid: American Heritage Dictionary of the English Language
4. paranoid: Collins English Dictionary
5. paranoid: Vocabulary.com
6. Paranoid, paranoid: Wordnik
7. paranoid: Cambridge Advanced Learner's Dictionary
8. paranoid: Wiktionary
9. paranoid: Webster's New World College Dictionary, 4th Ed.
10. paranoid: Infoplease Dictionary
11. paranoid: Dictionary.com
12. paranoid: Cambridge Essential American English Dictionary
13. Paranoid (Black Sabbath album), Paranoid (Black Sabbath song), Paranoid (Jonas Brothers song), Paranoid (Kanye West song), Paranoid (Post Malone song), Paranoid (TV series), Paranoid (Ty Dolla Sign song), Paranoid (album), Paranoid (band), Paranoid (disambiguation), Paranoid (song), Paranoid: Wikipedia, the Free Encyclopedia
14. paranoid: Rhymezone
15. paranoid: Free Dictionary
16. paranoid: Mnemonic Dictionary
17. paranoid: Dictionary/thesaurus

Business (1 matching dictionary)

18. paranoid: Legal dictionary

Computing (1 matching dictionary)

19. paranoid: Encyclopedia

Medicine (3 matching dictionaries)

20. Dorland's Illustrated Medical Dictionary (No longer online)
21. online medical dictionary (No longer online)
22. paranoid: Medical dictionary

Slang (1 matching dictionary)

23. paranoid: Green’s Dictionary of Slang

Sports (1 matching dictionary)

24. 2060 Shadow-Slang (No longer online)

(Note: See paranoids as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Of, related to, or suffering from clinical paranoia. ▸ adjective:  (informal) Exhibiting excessive fear, suspicion, or distrust. ▸ noun:  A person suffering from paranoia. Similar: paranoiac, insane, paranoialike, psychotic, paraschizophrenic, psychopannychistic, hyperparasitemic, parainfectious, parosmic, parainfective, more... Opposite: trusting, relaxed, calm, secure, confident Types: delusional, paranoid-schizoid, paranoid-depressive, more... Phrases: paranoid schizophrenia, paranoid personality, paranoid delusions, paranoid schizophrenic, paranoid ideation, more... Adjectives: little, more, real, true, sound, damn, borderline, chronic, pretty, acute, schizophrenic Colors:     gray,     black,     dark green,     deep purple,     midnight blue, more... ▸ Words similar to paranoid ▸ Usage examples for paranoid ▸ Idioms related to paranoid ▸ Wikipedia articles (New!) ▸ Popular adjectives describing paranoid ▸ Popular nouns described by paranoid ▸ Words that often appear near paranoid ▸ Rhymes of paranoid ▸ Invented words related to paranoid