Nantoka/신속sinsokAdvanced신속 (sinsok) is a Korean word meaning “quickness; rapidity; swiftness”.Meanings1quickness2rapidity3swiftnessPart of speechnounHanja迅速Related words고속버스express bus속도speed급속히rapidly고속high speed과속speeding신속히quickly초고속superhigh speed가속acceleration가속화accelerating급속rapidity급속도rapid speed시속speed per hourStudy Korean with flashcards →