老人性 ろうじんせい Meanings の-adjective senile (dementia, cataract, etc.) Kanji 老 elderly. Read as ロウ. 人 person. Read as ジン. 性 nature. Read as セイ. Words containing 老人性 老人性痴呆 (ろうじんせいちほう) senile dementia 老人性白内障 (ろうじんせいはくないしょう) senile cataract 老人性痴呆症 (ろうじんせいちほうしょう) senile dementia And 4 more. Jinuma: Japanese Dictionary · Word lists