Authenticity

Pronunciation

• US

Origin

authentic + -ity

Full definition of authenticity

Noun

1. The quality of being genuine or not corrupted from the original.I hereby certify the authenticity of this copy.
2. Truthfulness of origins, attributions, commitments, sincerity, and intentions.The authenticity of this painting is questionable.
3. (obsolete) The quality of being authentic (of established authority).

Synonyms

• (quality of being genuine) genuineness

Antonyms

• (quality of not being genuine) phoniness; forgery; fakeness; bogosity

Related terms

• authentically
• authenticism