Niggardly anguish about money (7)
I believe the answer is:
miserly
'niggardly' is the definition.
(thesaurus)
I don't understand the rest of the clue.
Can you help me to learn more?
(Other definitions for miserly that I've seen before include "Niggardly" , "Parsimonious" , "Penny-pinching" , "Mean with money" , "Mean, tight" .)