有耶無耶うやむや Common I-adj Noun English jmdict 1 adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) yojijukugo word usually written using kana alone indefinite;hazy;vague;unsettled;undecided その問題をうやむやにしておくことはできない。 We shouldn't leave the matter unsettled.