Crossword Genius

Expert finds more faults, sadly -- nothing missed (9)

Ross

I believe the answer is:

masterful

I'm a little stuck... Click here to teach me more about this clue!

'expert' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for masterful that I've seen before include "expert" , "Having dominating quality" , "Imperious" , "Domineering" , "overbearing" .)

I've seen this clue in The Telegraph.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.