1) 更ふかす #80,878 Inflections of 更かす Class Godan verb Stem Inflected ending ✕ Link copied! ふかす [2] Meaning Shirabe Godan verb Transitive verb to sit up late Kanji 更 コウ grow late, night watch, sit up late Forms 更かす#80,878更ふかすふかすふかす