Nantoka/우둔udun우둔 (udun) is a Korean word meaning “stupidity; silliness”.Meanings1stupidity2sillinessPart of speechnounHanja愚鈍Related words우직하다stupid and tactless둔하다dull만우절April Fool's Day우foolishness우악하다rough우악스럽다rather rough우둔하다slow-witted우직스럽다rather stupid and tactless우매하다silly우민ignorant people우문stupid question우문현답wise answer to a stupid questionStudy Korean with flashcards →