老年痴呆 lǎo nián chī dāi

DEFINITIONS

  1. senile dementia
  2. Alzheimer's disease

CHARACTERS

老 lǎo
HSK 1
old, aged; experienced
年 nián
HSK 1
year; new-years; person's age
痴 chī foolish, stupid, dumb, silly
呆 dāi
HSK 5
dull; dull-minded, simple, stupid