反骨 はんこつ Also written 叛骨 Meanings Noun rebellious spirit; defiant attitude Kanji 反 anti-. Read as ハン. 骨 bone. Read as コツ. Words containing 反骨 反骨精神 (はんこつせいしん) rebellious spirit 反骨の精神 (はんこつのせいしん) backbone Jinuma: Japanese Dictionary · Word lists