滞納
Common
Noun
Irregular
Transitive
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb
falling behind (with a payment);being in arrears;non-payment;default;delinquency
数日ならまだしも１０日も滞納している。
A few days would have been excusable, but you are in arrears for 10 days.
Other forms
怠納 【たいのう】 (rarely used kanji form)