noun
a state or period of senile decay marked by decline of mental poise and alertness
-
In his dotage, the elderly man struggled to remember simple tasks.
-
My grandma is in her dotage now, but she still has a sharp wit.
-
I hope I'm not in my dotage when I retire, I still want to have fun!
-
The company's outdated policies are a sign of their dotage in the industry.