Incorrigible husband perhaps did some weeding topless (8)
I believe the answer is:
hardened
'incorrigible' is the definition.
(thesaurus)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for hardened that I've seen before include "Toughened" , "describing some criminals" , "Tough, cynical" , "Rigidly set" , "Inured" .)