The most common and most likely answer to this crossword clue is the 6 letter word UNREAL
U
N
R
E
A
L
More clues leading to the result UNREAL
- A foreign coin from long ago? Incredible!
- Fabulous design of Lauren
- Illusory, a French coin in Brazil
- Fantastic to unwind, they say
- Strange – not what you’d expect from a King – not good
- A French dance said to be amazing
- Young at heart learn about fairytale
- Amazing change in Lauren
- Begun realignment to reveal fake
- As part of a square, ‘i’ may be not authentic
Buddy explains!

The straight part
We know that "not authentic" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not authentic = unreal.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UNREAL mean?
UNREAL adjective- Fake; not real
- Very impressive; amazing; unbelievable; incredible; larger or more fantastic than typical of real life.