Korean edit

Etymology edit

Sino-Korean word from 難攻不落.

Pronunciation edit

Romanizations
Revised Romanization?nan'gongbullak
Revised Romanization (translit.)?nangongbullag
McCune–Reischauer?nan'gongbullak
Yale Romanization?nankongpullak

Noun edit

난공불락 (nan'gongbullak) (hanja 難攻不落)

  1. impregnability, invincibility