Nantoka/비결bigyeolIntermediate비결 (bigyeol) is a Korean word meaning “secret; know-how”.Meanings1secret2know-howPart of speechnounHanja祕訣Related words비밀secret비법secret변비constipation신비mystery비밀스럽다secretive비서secretary신비롭다mysterious결별separation비방secret method비책secret비화untold episode비자금slush fundStudy Korean with flashcards →