[sep-choo-uh-juh-nair-ee-uh n, -too-, -tyoo-]


of the age of 70 years or between 70 and 80 years old.


a septuagenarian person.

Origin of septuagenarian

1705–15; < Latin septuāgēnāri(us) (see septuagenary) + -an Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for septuagenarian

Contemporary Examples of septuagenarian

Historical Examples of septuagenarian

British Dictionary definitions for septuagenarian



a person who is from 70 to 79 years old


being between 70 and 79 years old
of or relating to a septuagenarian

Word Origin for septuagenarian

C18: from Latin septuāgēnārius, from septuāgēnī seventy each, from septuāgintā seventy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for septuagenarian

"of age 70, seventy-year-old," 1793, from Latin septuagenarius "containing seventy," from septuageni "seventy each," related to septuaginta "seventy" (see Septuagint). Noun meaning "a 70-year-old person" first recorded 1805. As an adjective, septuagenary is recorded from c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper