nonagenarian
🇺🇸
/ˌnəʊnədʒəˈneriən/
🇬🇧
/ˌnɒnədʒəˈneəriən/
A person who is in their 90s.
Our neighbor is a spry nonagenarian who still enjoys gardening.
我们的邻居是一位精神矍铄的九十岁老人,他仍然喜欢园艺。
Referring to the age range of 90 to 99 years old.
The nonagenarian section of the population is growing.
九十岁以上的人口比例正在增长。