octogenarian
Intermediate (B1)
IPA: /ˌɒk.təʊ.dʒəˈnɛə.ri.ən/
KK: /ɑkˌtoʊdʒəˈnɛrɪən/
adjective
Definition
Referring to a person who is between 80 and 90 years old.
Example
My grandmother is an octogenarian who still enjoys gardening.
Conversation
Did you hear about the octogenarian who just ran a marathon?
No way! That's amazing for someone that age!
I know, right? It’s inspiring to see such active octogenarians.
Absolutely, it makes me want to stay fit as I get older!
Synonyms & Antonyms
Synonyms
elderly
aged
senior
Antonyms
young
youthful
immature
noun
Definition
A person who is between 80 and 90 years old.
Example
My grandmother is an octogenarian who still enjoys gardening.
Conversation
Have you met Mrs. Johnson? She's an amazing octogenarian who still plays tennis every week.
No, I haven't! That's impressive for someone her age.
Right? It's inspiring to see an octogenarian so active and lively.
Root Explanation
Octogenarian → It is formed from "octo-" (meaning eight) and "genarius" (from Latin "genus", meaning born or produced). The word refers to a person who is in their eighties, thus born in the eighth decade of life.
Memory Tip
Think of 'eight' ('octo-') to remember that an octogenarian is someone who is in their eighties.
Visually Confused Words
catenarian