Nonagenarian
01
a person whose age is between 90 and 99 years
例
The nonagenarian celebrated her 95th birthday with family and friends.
He became a nonagenarian last month and still walks daily.
nonagenarian
01
90代の, 90歳から99歳までの
having an age between 90 to 99 years old
Formal例
The nonagenarian celebration marked a remarkable milestone in the community.
90代の祝賀会は、コミュニティにおいて注目すべき節目となりました。
The nonagenarian author continued to publish novels well into his nineties.
90代の著者は、90代になっても小説を出版し続けた。
