Nantoka/개악gaeak개악 (gaeak) is a Korean word meaning “change for the worse”.Meanings1change for the worsePart of speechnounHanja改惡Related words개혁reform개선improvement악취odor악화aggravation악몽nightmare개작adaptation개정revision개조remodeling개편reorganization개량improvement개신교Protestantism악의evil heartStudy Korean with flashcards →