Nantoka/불가사의bulgasauiAdvanced불가사의 (bulgasaui) is a Korean word meaning “mystery; wonder”.Meanings1mystery2wonderPart of speechnounHanja不可思議Related words부족shortage불편inconvenience불안uneasiness회의meeting부동산property부정unlawfulness부정확inaccuracy부주의carelessness불법illegality불친절unkindness불충분insufficiency불가wrongStudy Korean with flashcards →