たいのう 滞納 Common word JLPT N1 LinksSentence search for 滞納Sentence search for たいのうSentence search for 怠納Kanji details for 滞 and 納Edit in JMdict Noun, Suru verb, Transitive verb1. falling behind (with a payment); being in arrears; non-payment; default; delinquencyOther forms怠納 【たいのう】Notes怠納: Rarely-used kanji form. Discussions Log in to talk about this word.