Word.ws English Dictionary

septuagenarian

/ˌsɛptjʊəd͡ʒɪˈnɛəɹɪən/US/ˌsɛptəd͡ʒɪˈnɛɹiən/

septuagenarian noun: synonym of seventysomething: a person between 70 and 79 years old.

Noun

septuagenarian (plural septuagenarians)

  1. Synonym of seventysomething: a person between 70 and 79 years old.
    • Mary Moon, she's a vegetarian.
      Mary Moon, Mary Moon, Mary Moon.
      Mary Moon, who will outlive all the septuagenarians.1994, “New Age Girl”, in A Different Story, performed by Deadeye Dick
    • For a ley hunter, local people – particularly the elderly – can be mines of information. Devereux and Thomson recount how they asked a septuagenarian in a remote village the location of an elusive stone, without mentioning the subject of leys: […]2010, Philip Carr-Gomm, Richard Heygate, The Book of English Magic

Adjective

septuagenarian (not comparable)

  1. Of or related to seventysomethings.
    Synonyms:
    septuagenary

Synonyms of septuagenarian

Forms of septuagenarian

pluralseptuagenarians

Origin of septuagenarian

From Latin septuagenarius (“containing 70”) + -an (suffix forming adjectives and representative nouns), either directly or via French septuagénaire, from Latin septuagenus (“70 each”) + -arius (“-ary”), from Latin septuāginta (“seven tens, 70”).

Words formed from septuagenarian

Questions about septuagenarian

What does septuagenarian mean?
Septuagenarian means synonym of seventysomething: a person between 70 and 79 years old.
What part of speech is septuagenarian?
Septuagenarian can be a noun or an adjective.
How do you pronounce septuagenarian?
Septuagenarian is pronounced /ˌsɛptəd͡ʒɪˈnɛɹiən/ (US).
What is the plural of septuagenarian?
The plural of septuagenarian is septuagenarians.

Words near septuagenarian in the dictionary

  1. septrional
  2. septs
  3. septship
  4. septships
  5. septua-
  6. septuagenarian
  7. septuagenarianism
  8. septuagenarians
  9. septuagenaries
  10. septuagenary
  11. Septuagesima

Source and license

Adapted from Wiktionary: septuagenarian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-septuagenarian.wav.

Cite this entry: “septuagenarian.” Word.ws, https://word.ws/septuagenarian. Based on Wiktionary, CC BY-SA 4.0.