人性 じんせい Meanings Noun human nature; instinct; humanity; humanism Kanji 人 person. Read as ジン. 性 nature. Read as セイ. Words containing 人性 老人性 (ろうじんせい) senile (dementia, cataract, etc.) 個人性 (こじんせい) individuality 老人性痴呆 (ろうじんせいちほう) senile dementia And 7 more. Jinuma: Japanese Dictionary · Word lists