nonpayment /nɒnˈpeɪmənt/

also non-payment

• 1. 

  N-UNCOUNT Nonpayment is a failure to pay a sum of money that you owe. 未支付

  例：

  She faced an end to treatments because of nonpayment of her claim.

  由于她的索赔未付，所以她的治疗可能被终止。