Octogenarian
//ˌɑktəd͡ʒɪˈnɛɹiən// adj, noun
adj, noun ·Moderate ·College level
Definitions
Noun
- 1 Synonym of eightysomething: a person between 80 and 89 years old.
"Mama was by no means the only grandma present, for the octogenarians had turned out en masse from their huts and lean-tos and were paddling about, diving and splashing as unconcernedly as though they really belonged in the sea rather than on land."
- 2 someone whose age is in the eighties wordnet
Adjective
- 1 Of or related to eightysomethings. not-comparable
Adjective
- 1 being from 80 to 89 years old wordnet
Example
More examples"Apparently once you become an octogenarian you can say what you like and get away with it. I can't wait to turn eighty."
Etymology
From Latin octōgēnārius + -an (suffix forming adjectives and representative nouns), either directly or via French octogénaire, from Latin octōgēnus (“80 each”) + -ārius (“-ary”), from octōgintā (“eight tens, 80”).
Related phrases
More for "octogenarian"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.