1) 空費くうひ #78,284 Inflections of 空費 Class Suru verb Stem Inflected ending ✕ Link copied! くうひ [0] くうひ [1] Meaning Shirabe Noun Suru verb Transitive verb waste; wastefulness 彼かれは空費くうひした時間じかんを取とり返かえそうとした。 He tried to make up for lost time. Kanji 空 クウ empty, sky, void 費 ヒ expense, cost, spend Forms 空費#78,284空費くうひくうひくうひ Learn this word with smart reviews that adapt to you Save word