不撓不屈 ふとうふくつ Meanings Noun, の-adjective tenacity; indomitableness; dauntlessness; inflexibility Kanji 不 un-. Read as フ. 撓 bend; train; lithe. Read as トウ. 屈 bend. Read as クツ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists