ろうじんせいちほうしょう 老人性痴呆症 LinksSentence search for 老人性痴呆症Sentence search for ろうじんせいちほうしょうKanji details for 老, 人, 性, 痴, 呆 and 症Edit in JMdict Noun1. senile dementia Discussions Log in to talk about this word.