Definition of octogenarian in English:

octogenarian

Syllabification: oc·to·ge·nar·i·an
Pronunciation: /ˌäktəjəˈne(ə)rēən
 
/

noun

A person who is from 80 to 89 years old: [as modifier]: his octogenarian mother-in-law
More example sentences
  • His successor will, I'm sure, still be remembered with affection by many octogenarians.
  • Mostly in their fifties, the banañeros suffer from kidney failure, diminishing eyesight and bones that are weakening at the rate of octogenarians.
  • And when I read of the activities of many octogenarians, I think that relative to them I am still ‘middle-aged’.

Origin

early 19th century: from Latin octogenarius (based on octoginta 'eighty') + -an.

Definition of octogenarian in:

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