Definitions

1. noun

Relating to or characteristic of a person in their eighties.

“The octogenary population was found to be more susceptible to certain health issues.”

2. adjective

Relating to or characteristic of a person in their eighties.

“The octogenary woman was a renowned artist in her community.”

3. adverb

In the manner of or characteristic of a person in their eighties.

“She spoke with an octogenary air, reminiscing about her youth.”