않단다

does not, is not

→ 않다
않 not (forms a negation after -지) + 단다 Informal explanatory ending
auxiliary · intimate Rare #28,100
does not, is not The ending -단다 gives a telling or explanatory tone, often used by an older speaker to a younger listener.
KO: 이 약은 몸에 해롭지 않단다.
EN: This medicine isn't harmful.
Conjugation of 않다

가르쳐 주고 싶지 않단다

They say they don't want to teach me.

— 시네마 천국 (1988)