老年痴呆 Traditional 老年痴獃 lǎo nián chī dāi 🔊 senile dementia + Keep this word Meanings lǎo nián chī dāi 老年痴獃 senile dementiaAlzheimer's disease Its characters 老lǎoprefix used before the surname of a…HSK 3年niányearHSK 1痴chīimbecile呆dāifoolish; stupidHSK 6