Red ink, so to speak (4)
I believe the answer is:
debt
(Other definitions for debt that I've seen before include "Money or favour owed" , "sense of gratitude" , "Commitment" , "The state of owing something" , "Sum of money that's owed" .)
I believe the answer is:
debt
(Other definitions for debt that I've seen before include "Money or favour owed" , "sense of gratitude" , "Commitment" , "The state of owing something" , "Sum of money that's owed" .)