debt /ˈdɛt/ noun
plural debts
plural debts
Learner's definition of DEBT
[count] : an amount of money that you owe to a person, bank, company, etc.
see also national debt
[noncount] : the state of owing money to someone or something
[count] : the fact that you have been influenced or helped by someone or something usually singular

debt to society

used in phrases like pay your debt to society to refer to being punished for committing a crime

in someone's debt

◊ If you are in someone's debt, you are very thankful for something that someone has done for you.

owe a debt of gratitude/thanks to

: to have a good reason to be very grateful to (someone)