The most common Korean word for “long” is 길다 (gilda). 「long」는 한국어로 길다.
Learn 길다 free — flashcards, audio and review →「길다」 단어장으로 무료로 외우기Words and levels: TOPIK I essentials (National Institute of Korean Language standard curriculum, KOGL Type 1) · examples: Cheesepotato