確固不抜 かっこふばつ Also written 確乎不抜 Meanings の-adjective, な-adjective, Noun determined; steadfast; unswerving; unshakable Kanji 確 certain. Read as カク. 固 solid 不 un- 抜 pull out. Read as バツ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists