有無 うむ existence or nonexistence N2 #3,937 Meanings うむ · ゆうむ noun existence or nonexistence; presence or absence consent or refusal; yes or no Its kanji 有 ユウ、ウ · あ.る possess, have, exist, happen, occur, approx 無 ム、ブ · な.い nothingness, none, ain't, nothing, nil, not