老年痴呆 ろうねんちほう Meanings Noun senile dementia See also: 老人性認知症 (ろうじんせいにんちしょう). Kanji 老 elderly. Read as ロウ. 年 year. Read as ネン. 痴 foolish 呆 dumbfounded. Read as ホウ. Word lists Medicine Jinuma: Japanese Dictionary · Word lists