Poor in seven days if losing regularly (5)
I believe the answer is:
needy
'poor' is the definition.
(I know that needy is a type of poor)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for needy that I've seen before include "Poor; indigent" , "Impoverished" , "Insecure; very poor" , "Disadvantaged" , "Necessitous" .)