Good-looking worker so attached to me (8)
I believe the answer is:
handsome
'good-looking' is the definition.
(I know that good-looking can be written as handsome)
'worker so attached to me' is the wordplay.
'worker' becomes 'hand' (hand is a kind of worker).
'attached to' means one lot of letters go next to another.
'hand'+'so'+'me'='HANDSOME'
(Other definitions for handsome that I've seen before include "Well-proportioned" , "Attractive in a strong, imposing way" , "Fit" , "large" , "Attractive, liberal" .)