劣決定系 れつけっていけい Meanings Noun underdetermined system Antonym: 優決定系 (ゆうけっていけい). Kanji 劣 inferior. Read as レツ. 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