Drunk, pretty even (5)
I believe the answer is:
tight
'drunk' is the definition.
(I've seen this before)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for tight that I've seen before include "Close-fitting; tense" , "Drunk, firm, concise" , "Sozzled; mean" , "Hard to undo or open" , "lack of money" .)