Nantoka/철저cheoljeo[철쩌]Advanced철저 (cheoljeo) is a Korean word meaning “being perfect; being immaculate”.Meanings1being perfect2being immaculatePart of speechnounHanja徹底Related words철저히perfectly도저히(not) at all해저sea bottom철두철미perfectly철두철미하다perfect철저하다perfect철야staying up all night철야하다stay up all night관철accomplishment관철되다be accomplished관철하다accomplish냉철하다level-headedStudy Korean with flashcards →