Simple Definition of septuagenarian

from our Learner's Dictionary

septuagenarian

noun

sɛpˌtuːwəʤəˈnerijən How to pronounce septuagenarian (audio)
British ˌsɛpˌtjuəʤəˈnɛəriən
plural septuagenarians
: a person who is between 70 and 79 years old

Cite this Entry

“Septuagenarian.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/septuagenarian. Accessed 22 Jun. 2026.

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