We found 38 dictionaries that define the word authenticity:

General (25 matching dictionaries)

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

Art (2 matching dictionaries)

24. authenticity: Dictionary of Philosophical Terms and Names
25. Glossary of Stamp Collecting Terms (No longer online)

Business (2 matching dictionaries)

26. authenticity: Legal dictionary
27. BusinessDictionary.com (No longer online)

Computing (3 matching dictionaries)

28. authenticity: Webster's New World Hacker Dictionary
29. Webopedia (No longer online)
30. authenticity: Encyclopedia

Medicine (2 matching dictionaries)

31. online medical dictionary (No longer online)
32. authenticity: Medical dictionary

Miscellaneous (1 matching dictionary)

33. Glossary of Ethical Terms (No longer online)

Religion (1 matching dictionary)

34. Irivng Hexham's Concise Dictionary of Religion (No longer online)

Science (1 matching dictionary)

35. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Slang (1 matching dictionary)

36. authenticity: Urban Dictionary

(Note: See authentic as well.)

Definitions from Wiktionary ( ) ▸ noun:  The quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed. ▸ noun:  (obsolete) The quality of being authentic (of established authority). Similar: legitimacy, genuineness, authenticness, authenticalness, genuinity, genuiness, authigenicity, validity, unauthenticity, authenticability, more... Opposite: inauthenticity, falseness, insincerity, phoniness Types: original, authentic, real, genuine, true, legitimate, certified, verified, accredited, unadulterated, more... Phrases: Certificate of authenticity, Authenticity and Modernity Party, Authenticity and Development Front, Authenticity in art, of questionable authenticity, more... Adjectives: doubtful, historical, cultural, personal, own, greater, dubious, questionable, undoubted, more, absolute Colors:     indigo,     teal,     sage,     olive,     rust, more... ▸ Words similar to authenticity ▸ Usage examples for authenticity ▸ Idioms related to authenticity ▸ Wikipedia articles (New!) ▸ Popular adjectives describing authenticity ▸ Words that often appear near authenticity ▸ Rhymes of authenticity ▸ Invented words related to authenticity