Nantoka/이완iwan이완 (iwan) is a Korean word meaning “relaxation”.Meanings1relaxationPart of speechnounHanja弛緩Related words완화relaxation완만하다sluggish해이slackness해이하다slack이완되다relax이완하다relax이완시키다relax완충buffering완급speed완행going slow완행버스slow bus완행열차slow trainStudy Korean with flashcards →