authenticity
/ɑθɛnˈtɪsɪti/
Proposed by a contributor, not yet supported by evidence.
Also seen as: authenticities
Meaning · English
The quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed.
Noun
Examples
I hereby certify the authenticity of this copy.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “authenticity” mean?
The quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed.
Is “authenticity” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.