機が熟す きがじゅくす Also written 期が熟す Meanings Expression, Godan verb for the time to be ripe; for the moment to have come; for the situation to be ready for action (usu. as 機が熟した) See also: 機は熟す (きはじゅくす). Kanji 機 machine. Read as キ. 熟 ripe. Read as ジュク. Jinuma: Japanese Dictionary · Word lists