The most common Korean word for “glad” is 반갑다 (bangapda). There is one more word with a similar meaning — compare them below. 「glad」는 한국어로 반갑다.
to be glad; to be pleased
TOPIK 1 · adjective
be glad; be happy
TOPIK 2 · verb
Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato
치즈감자