優決定系 ゆうけっていけい Meanings Noun overdetermined Antonym: 劣決定系 (れつけっていけい). Kanji 優 excel. Read as ユウ. 決 decide. Read as ケツ. 定 fix. Read as テイ. 系 system. Read as ケイ. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists