不断 ふだん Meanings の-adjective, な-adjective, Noun constant; persistent; unremitting; ceaseless Noun, な-adjective indecisiveness の-adjective, Noun, Adverb usual; normal; everyday; habitual; ordinary (now written as 普段) See also: 普段 (ふだん). Kanji 不 un-. Read as フ. 断 sever. Read as ダン. Words containing 不断 優柔不断 (ゆうじゅうふだん) indecisive 連綿不断 (れんめんふだん) long and uninterrupted (unbroken) 常住不断 (じょうじゅうふだん) ceaseless Jinuma: Japanese Dictionary · Word lists