Synonyms to back debts

arrearage, arrear, arrears, back payments, bouncing check, break, debt, decline, defalcation, default, defect, defectiveness, deferred payments, deficiency, deficit, deficit financing, delinquency, discontinuity, dollar gap, due, failure, falling short, gap, hiatus, imperfection, inadequacy, indebtedness, inferiority, insufficiency, interval, lack, lacuna, liability, missing link, need, obligation, omission, outage, overdraft, short measure, shortage, shortcoming, shortfall, slump, ullage, underage, want, wantage, bankruptcy, bust, collapse, crash, insolvency, insufficie