noun, takes genitive case の

  1. (being) by oneself, with no outsiders present.

Variations

Pronunciation Kanji Kana Is Common
 
 
水入らず みずいらず
 
 
 
水いらず みずいらず

Contained Kanji Breakdown

water
みず スイ み (1st, N5)
enter, insert
い.る はい.る ニュウ (1st, N5)