octogenarian
noun
oc·to·ge·nar·i·an ˌäk-tə-jə-ˈner-ē-ən 
: a person whose age is in the eighties
The octogenarian uses a cane for walking.
octogenarian adjective
Example Sentences
Recent Examples on the Web And if all of Beijing’s bluster and threats couldn’t scare away even an octogenarian from California, what’s to stop a parade of foreign dignitaries from visiting Taiwan in defiance of China? 
Michael Schuman, The Atlantic, 3 Aug. 2022 The group also took with them another building resident, an ailing octogenarian, who was on a wheeled stretcher. Anna Nemtsova, The Atlantic, 10 June 2022 Ruth Whitfield was the octogenarian who cared for her ailing husband with love and patience. Robin Givhan, Washington Post, 17 May 2022 In addition to her words of wisdom for anyone considering becoming a parent later in life, Mills, a proud octogenarian, also shared her secrets to aging gracefully: no to cosmetic procedures, yes to natural lines and mindful eating. Kara Warner, PEOPLE.com, 7 May 2022 But Fenn is also no ordinary octogenarian, Darrell argues. Peter Frick-wright, Outside Online, 11 Aug. 2015 Two years ago, the youngster’s mother would drive him to meet the octogenarian at Brookdale Shavano Park for weekly matches. Vincent T. Davis, San Antonio Express-News, 9 May 2022 The drummer became the first octogenarian in the band with his birthday last month. Chris Riemenschneider, Star Tribune, 22 July 2021 See More
Michael Schuman, The Atlantic, 3 Aug. 2022 The group also took with them another building resident, an ailing octogenarian, who was on a wheeled stretcher. Anna Nemtsova, The Atlantic, 10 June 2022 Ruth Whitfield was the octogenarian who cared for her ailing husband with love and patience. Robin Givhan, Washington Post, 17 May 2022 In addition to her words of wisdom for anyone considering becoming a parent later in life, Mills, a proud octogenarian, also shared her secrets to aging gracefully: no to cosmetic procedures, yes to natural lines and mindful eating. Kara Warner, PEOPLE.com, 7 May 2022 But Fenn is also no ordinary octogenarian, Darrell argues. Peter Frick-wright, Outside Online, 11 Aug. 2015 Two years ago, the youngster’s mother would drive him to meet the octogenarian at Brookdale Shavano Park for weekly matches. Vincent T. Davis, San Antonio Express-News, 9 May 2022 The drummer became the first octogenarian in the band with his birthday last month. Chris Riemenschneider, Star Tribune, 22 July 2021 See More Word History
Etymology
Latin octogenarius containing eighty, from octogeni eighty each, from octoginta eighty, from octo eight + -ginta (akin to viginti twenty) — more at vigesimal
First Known Use
1815, in the meaning defined above
Medical Definition
octogenarian
noun
oc·to·ge·nar·i·an ˌäk-tə-jə-ˈner-ē-ən
: a person whose age is in the eighties
octogenarian
adjective
as in septuagenarian
Synonyms & Similar Words
Relevance
- septuagenarian
- nonagenarian
- centenarian
- sexagenarian
- elderly
- geriatric
- aging
- senior
- older
- senescent
- aged
- ageing
- old
- oldish
- retired
- unyoung
- ancient
- over-the-hill
- superannuated
- middle-aged
- senile
- doddering
- adult
- pensioned
- long-lived
- venerable
- decrepit
- grown-up
- tottery
- patriarchal
- anile
- matriarchal
- spavined
- mature
- overaged
- overage
Antonyms & Near Antonyms
- young
- youthful
- ageless
- youngish
- adolescent
- juvenile
- immature
- puerile
- minor
- inexperienced
- underage
- green
- infantile
- childlike
- preteen
- callow
- childish
- raw
- infantine
- babyish
- kiddish
- tear apart
- tear around
- tear at
- tear bag
- tear bomb
- tear bottle
- tear down
- tear fault
- tear gas
- tear gassed
- tear gasses
- tear gassing
- tear grass
- tear into
- tear it
- tear limb from limb
- tear off a strip
- tear one's hair
- tear one's hair out
- tear oneself free
- tear oneself loose
- tear oneself loose/free
- tear out
- tear sac
- tear sheet