Nantoka/철야하다cheollyahada[처랴하다]철야하다 (cheollyahada) is a Korean word meaning “stay up all night”.Meanings1stay up all nightPart of speechverbHanja徹夜 하다Related words철저히perfectly야간night야근working overtime야경night view철저being perfect심야dead of the night야광glow in the dark열대야tropical night철두철미perfectly철두철미하다perfect철저하다perfect철야staying up all nightStudy Korean with flashcards →