The most common and most likely answer to this crossword clue is the 8 letter word FLAWLESS
I've seen this crossword clue in The Daily Telegraph
F
L
A
W
L
E
S
S
More clues leading to the result FLAWLESS
- Female criminal unmarked
- Perfect description of anarchy by small force
- Perfect female canon, shorter
- Perfect fraud, primarily, criminal
- Fathom rules about the French perfect
- Perfect foxtrot, riotous
- Loud and disorderly sinner isn’t this
- Immaculate level not there, by the sound of it?
- Perfect female, wild
- Loud, wild sound
Buddy explains!
The straight part
We know that "sinner isn’t this" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sinner isn’t this = flawless.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 FLAWLESS mean?
FLAWLESS adjective- Without flaws, defects, or shortcomings; perfect.