Badger, badly dressed (6)
I believe the answer is:
garbed
'dressed' is the definition.
(synonyms)
'badger badly' is the wordplay.
'badly' indicates an anagram (letters in the wrong order).
'badger' with letters rearranged gives 'GARBED'.
(Other definitions for garbed that I've seen before include "Clothed, dressed" , "Dressed like badger" , "Wearing clothes of distinctive kind" .)