septuagenarian

noun

sep·​tu·​a·​ge·​nar·​i·​an (ˌ)sep-ˌtü-ə-jə-ˈner-ē-ən 

-ˌtyü-,

-ˌchü-

: a person whose age is in the seventies

septuagenarian adjective

Examples of septuagenarian in a Sentence

Recent Examples on the Web

The 1960s British teen idol Peter Noone is now a septuagenarian. —Christopher Arnott, Hartford Courant, 20 July 2024

The e-mail came from a Californian septuagenarian named Joel Stratte-McClure. —Lauren Collins, The New Yorker, 15 July 2024

Bernard shall be rid of his fleas and become a zippy septuagenarian. —Alice Burton, Vulture, 21 Jan. 2024

But by the next day when there was still no word, Perez was worried enough to call the Fontana Police Department and report the septuagenarian as missing. —Jessica Garrison, Los Angeles Times, 1 June 2024

Word History

Etymology

Late Latin septuagenarius seventy years old, from Latin, of or containing seventy, from septuageni seventy each, from septuaginta

First Known Use

1744, in the meaning defined above

Kids Definition

septuagenarian

noun

sep·​tu·​a·​ge·​nar·​i·​an (ˌ)sep-ˌt(y)ü-ə-jə-ˈner-ē-ən 

ˌsep-tə-ˌwaj-ə-

: a person who is 70 or more but less than 80 years old

septuagenarian adjective