こうこつ 硬骨 LinksSentence search for 硬骨Sentence search for こうこつSentence search for 鯁骨Kanji details for 硬 and 骨Edit in JMdict Noun1. boneOnly applies to 硬骨Noun, Noun which may take the genitive case particle 'no', Na-adjective (keiyodoshi)2. firmness (of character); backbone; unyielding spiritOther forms鯁骨 【こうこつ】Notes鯁骨: Rarely-used kanji form. Discussions Log in to talk about this word.