かいな 甲斐無い Show inflections LinksSentence search for 甲斐無いSentence search for かいないSentence search for 甲斐ないKanji details for 甲, 斐 and 無Edit in JMdict I-adjective (keiyoushi)1. worthless; pointless; uselessOther forms甲斐ない 【かいない】 Discussions Log in to talk about this word.