ねぼう 寝坊 Common word JLPT N4 Wanikani level 22 Wanikani level 24 Play audio LinksSentence search for 寝坊Sentence search for ねぼうKanji details for 寝 and 坊Edit in JMdict Noun, Suru verb, Intransitive verb, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'1. sleeping in late; oversleepingNoun2. late riser; sleepyhead Discussions Log in to talk about this word.