nonpayment

(noun) act of failing to meet a financial obligation. Synonyms: default, nonremittal.

(noun) loss resulting from failure of a debt to be paid. Synonyms: default, nonremittal.

(noun) the deliberate act of failing to pay money. Synonyms: evasion. Examples: "His evasion of all his creditors." "He was indicted for nonpayment."