Quandary for dreadful dim male (7)
I believe the answer is:
dilemma
'quandary' is the definition.
(synonyms)
'dreadful dim male' is the wordplay.
'dreadful' is an anagram indicator.
'dim'+'male'='dimmale'
'dimmale' is an anagram of 'DILEMMA'.
'for' is the link.
(Other definitions for dilemma that I've seen before include "Difficult-choice situation" , "23 [SPOT]" , "Difficult problem" , "Difficult decision" , "Unpalatable choice" .)