硬性憲法 こうせいけんぽう Meanings Noun rigid constitution See also: 軟性憲法 (なんせいけんぽう). Kanji 硬 hard. Read as コウ. 性 nature. Read as セイ. 憲 constitution. Read as ケン. 法 law. Read as ホウ. Word lists Law Jinuma: Japanese Dictionary · Word lists