ROGET THESAURUS
non-paying
Nonpayment
N
nonpayment, default, defalcation, protest, repudiation, application of the sponge, whitewashing, insolvency, bankruptcy, failure, insufficiency, run upon a bank, overdrawn account, waste paper bonds, dishonored bills, protested bills, bogus check, bogus cheque, rubber check, bankrupt, insolvent, debtor, lame duck, man of straw, welsher, stag, defaulter, levanter, not paying,
non-paying, non-performing, in debt, behindhand, in arrear, behind in payments, in arrears, beggared, unable to make both ends meet, minus, worse than nothing, worthless, insolvent, bankrupt, in the gazette, gazetted, unpaid, gratis, unremunerated.