Read Edit View history 老年痴呆 lǎoniánchīdāi senile dementia Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 老年痴呆/ 老年痴獃 lǎoniánchīdāi senile dementia senile dementia; Alzheimer's disease Edit Delete References Add reference No references for this word.