dotage

Từ điển WordNet v3.1 - WordNet Dictionary

noun

mental infirmity as a consequence of old age;
sometimes shown by foolish infatuations
• Syn:
second childhood, senility
• Derivationally related forms:
senile (for: senility)
• Hypernyms:
old age, years, age, eld, geezerhood

• Từ đồng nghĩa / Synonyms:
  second childhood, senility