Rough and ready boy plucked from obscurity and transformed (6)
I believe the answer is:
rustic
'rough' is the definition.
(I've seen this before)
I cannot understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for rustic that I've seen before include "Of the countryside and country folk" , "Peasant; roughly made" , "To do with the countryside, or made of rough timber" , "clodhopper" , "Rural, countrified" .)