Nantoka/과오gwao과오 (gwao) is a Korean word meaning “mistake”.Meanings1mistakePart of speechnounHanja過誤Related words과거past과정process과로overwork과식overeating과소비overconsumption과속speeding사과apology통과pass오해misunderstanding불과only불과하다only초과excessStudy Korean with flashcards →