Read Edit View history 老年痴呆 lǎoniánchīdāi dementia Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 老年痴呆/老年痴獃 · lǎoniánchīdāi · dementia 2026/03/04 老年痴呆 / 老年痴獃 lǎoniánchīdāi dementia senile dementia or Alzheimer's disease 他因为患有老年痴呆，已经记不清家人的名字了。 created sense Mar 4, 2026, 02:25 AM