Excellent; superb (3-5)
I believe the answer is:
top-notch
This clue is a double definition.
'excellent' is the first definition.
(I've seen this before)
'superb' is the second definition.
(I've seen this before)
(Other definitions for top-notch that I've seen before include "Superb" , "Excellent (informal)" , "Of the highest quality" , "Wonderful" , "First-rate" .)