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septuagenarian (adj.)
"of age 70, seventy-year-old, between 70 and 80 years old," 1793, from Latin septuagenarius "containing seventy," from septuageni "seventy each," related to septuaginta "seventy" (see Septuagint). The noun meaning "a 70-odd-year-old person, person between 70 and 80 years old" is recorded by 1805. As an adjective, septuagenary "consisting of seventy; pertaining to someone 70-odd-years-old" is recorded from c. 1600.
updated on May 14, 2022
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Definitions of septuagenarian from WordNet
Dictionary entries near septuagenarian
septet
septi-
septic
septicemia
septillion
septuagenarian
Septuagint
septum
sepulchral
sepulchre
sepulture