アパテイアあぱていあMeanings1nounapatheiaA technical term from Stoic philosophy referring to a state of being free from irrational passions, not mere apathy.from Greekストア哲てつ学がくでは、アパテイアは理り想そう的てきな心こころの状じょう態たいとされる。In Stoic philosophy, apatheia is considered an ideal state of mind.