- known to be real and what somebody claims it is and not a copy
- I don't know if the painting is authentic.
Extra Examples- The documents seem authentic enough.
- an authentic Picasso
- true and accurate
- an authentic account of life in the desert
- the authentic voice of young black Americans
- made to be exactly the same as the original
- an authentic model of the ancient town
- Take a trip on an authentic Spanish galleon to the famous Papagayo beach.
Word Originlate Middle English: via Old French from late Latin authenticus, from Greek authentikos ‘principal, genuine’.
Check pronunciation:
authentic