Nantoka/철통같다cheoltonggatda[철통갇따]철통같다 (cheoltonggatda) is a Korean word meaning “impenetrable”.Meanings1impenetrablePart of speechadjectiveHanja鐵桶 같다Related words전철subway지하철subway지하철역subway station휴지통garbage can쓰레기통garbage can철도rail통bucket철iron철강steel통조림can철봉horizontal bar철분ironStudy Korean with flashcards →