Simple Definition of octogenarian

from our Learner's Dictionary

octogenarian

noun

ˌɑːktəʤəˈnerijən How to pronounce octogenarian (audio)
plural octogenarians
: a person who is between 80 and 89 years old

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“Octogenarian.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/octogenarian. Accessed 14 Apr. 2026.

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