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septuagenarian

American  
[sep-choo-uh-juh-nair-ee-uhn, -too-, -tyoo-] / ˌsɛp tʃu ə dʒəˈnɛər i ən, -tu-, -tyu- /

adjective

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


noun

  1. a septuagenarian person.

septuagenarian British  
/ ˌsɛptjʊədʒɪˈnɛərɪən /

noun

  1. a person who is from 70 to 79 years old

"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

adjective

  1. being between 70 and 79 years old

  2. of or relating to a septuagenarian

"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

Usage

What does septuagenarian mean? A septuagenarian is someone in their 70s (70 to 79 years old), or someone who is 70 years old.Septuagenarian can also be used as an adjective to describe someone in their 70s, as in Our audience is mostly made up of septuagenarian women, or things related to such a person, as in I have entered my septuagenarian years. It’s one of several similar terms used to refer to a person of a certain age, including quadragenarian (40s), quinquagenarian (50s), sexagenarian (60s), octogenarian (80s), and nonagenarian (90s).Such words are more commonly used as people get older: quadragenarian and quinquagenarian are rarely used, but septuagenarian and octogenarian are more commonly used.Another word for septuagenarian is septuagenary.Example: Today is my last day as a septuagenarian—tomorrow I begin my 80s!

Etymology

Origin of septuagenarian

1705–15; < Latin septuāgēnāri ( us ) ( septuagenary ) + -an

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For me, the urge to tame a two-wheeled beast wasn’t some fleeting or idle fantasy—a septuagenarian version of a midlife crisis.

From The Wall Street Journal

The 76-year-old actor leads a cast of septuagenarian stars as a retired professor who takes on a job going undercover at a retirement community.

From Los Angeles Times

Investigators first became suspicious when the septuagenarian ringleader attempted to sell two supposedly original paintings by Picasso on the art market.

From BBC

These emerging septuagenarian entrepreneurs share many motives with younger counterparts.

From The Wall Street Journal

The motivations for septuagenarian entrepreneurs include desiring autonomy, pursuing meaningful projects and addressing societal needs.

From The Wall Street Journal