がいはく 外泊 LinksSentence search for 外泊Sentence search for がいはくKanji details for 外 and 泊Edit in JMdict Noun, Suru verb, Intransitive verb1. staying somewhere else (overnight); spending the night away (e.g. from home); going home (e.g. from hospital) for the night; sleepover Discussions Log in to talk about this word.