The most common Korean word for “clean” is 깨끗하다 (kkaekkeutada). There is one more word with a similar meaning — compare them below. 「clean」는 한국어로 깨끗하다.
to be clean
TOPIK 1 · adjective
clean
TOPIK 1 · verb
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato
치즈감자