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Definition of septuagenarian

septuagenarian

/ˌsɛp.tʃu.ə.dʒəˈnɛr.i.ən/
sep · tu · a · ge · nar · i · an
Plural:septuagenarians
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septuagenarian Lexical Profile

septuagenarian Game Scores & Validity

• noun

1

A person who is between 70 and 79 years old.

Example

"The energetic septuagenarian completed the city marathon in just over four hours."

Synonyms
View all synonyms for septuagenarian

• adjective

1

Between 70 and 79 years old, or relating to people in their seventies.

Example

"The septuagenarian painter unveiled a retrospective of her life's work at the national gallery."

• Rhymes for septuagenarian

• Nearby Words

sepsis
septet
septic
septuagenarian
septum
septuplet
sequel

Word Origin & Etymology

Borrowed in the mid-18th century from Latin septuagenarius ('containing seventy'), derived from septuageni ('seventy each') and septuaginta ('seventy').

Cite this Entry

Wordmom. (2026). Definition of Septuagenarian. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/septuagenarian
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