the deliberate act of failing to pay money; "his evasion of all his creditors"; "he was indicted for nonpayment" Synonym(s):evasion, nonpayment Antonym(s):defrayal, defrayment, payment
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Nonpayment \Non*pay"ment\, n.
Neglect or failure to pay.