\ ˈā-tē How to pronounce eighty (audio) \
plural eighties

Definition of eighty

1 : a number that is equal to eight times 10 — see Table of Numbers
2 eighties plural : the numbers 80 to 89 specifically : the years 80 to 89 in a lifetime or century

Keep scrolling for more

Other Words from eighty

eightieth \ ˈā-​tē-​əth How to pronounce eightieth (audio) \ adjective or noun
eighty adjective
eighty pronoun, plural in construction

Examples of eighty in a Sentence

The temperature rose to the high eighties. She is in her mid-eighties.
Recent Examples on the Web Amazonia hits the eighties every day, too warm and humid to feel comfortable suited up for wetland birding in long pants and rubber boots. Nell Zink, Harper's magazine, "The Bird Angle," 28 Oct. 2019 For 2018/19, New Balance set out to recreate the popular (if ugly) 2008/09 away kit, which itself was an attempt to recreate the popular (but attractive) away kits of the late eighties. SI.com, "Ranking Every Liverpool New Balance Kit as Reds Prepare to Switch to Nike," 29 Sep. 2019 Marie also enjoyed ballroom and line dancing with other seniors at the West Hartford Senior Center and walked several miles each day until her late eighties at West Farms Mall. courant.com, "Marie L. Kruczek," 14 Nov. 2019 The latter project had special significance for van Dijk, a tall, slim, Master’s swimmer who set records, won races, and kept his flat belly well into his eighties. Steven Litt, cleveland, "From Blossom to Playhouse Square, architect Peter van Dijk left historic imprint — Steven Litt," 27 Oct. 2019 The silhouettes reimagine the styles of the fifties through eighties with modern updates. Nandi Howard, Essence, "October Style Dispatch," 3 Oct. 2019 Even for someone who grew up on soft-lit eighties sitcoms, there’s almost nothing edgy about the show, the occasional frictions of multicultural Toronto notwithstanding. Hua Hsu, The New Yorker, "“Kim’s Convenience,” the Genial Canadian Sitcom That Feels Like Watching Another Time Line," 28 Aug. 2019 The final wall of paintings has the elderly Monet, well in his eighties, looking back at his house from the garden, with two painted under a burning sky. Dallas News, "Return of the Lilies: Monet makes a triumphant encore at the Kimbell," 28 June 2019 Really small, weird rooms and like a lot of eighties houses, with interesting things layered on top of this 1926 jewel. Joanna Saltz, House Beautiful, "Five Designers on How to Make Old Things New Again," 8 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eighty.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of eighty

before the 12th century, in the meaning defined at sense 1

History and Etymology for eighty

Middle English eighty, adjective, from Old English eahtatig, short for hundeahtatig, noun, group of eighty, from hund-, literally, hundred + eahta eight + -tig group of ten; akin to Old English tīen ten

Keep scrolling for more

Learn More about eighty

Time Traveler for eighty

Time Traveler

The first known use of eighty was before the 12th century

See more words from the same century

Statistics for eighty

Last Updated

28 Dec 2019

Cite this Entry

“Eighty.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/eightieth. Accessed 23 January 2020.

Keep scrolling for more

More Definitions for eighty


How to pronounce eighty (audio)

English Language Learners Definition of eighty

: the number 80
: the numbers ranging from 80 to 89
: a set of years ending in digits ranging from 80 to 89


\ ˈā-tē How to pronounce eighty (audio) \

Kids Definition of eighty

 (Entry 1 of 2)

: eight times ten : 80



Kids Definition of eighty (Entry 2 of 2)

: being eight times ten

Keep scrolling for more

More from Merriam-Webster on eighty

Rhyming Dictionary: Words that rhyme with eighty

Spanish Central: Translation of eighty

Nglish: Translation of eighty for Spanish Speakers

Britannica English: Translation of eighty for Arabic Speakers

Comments on eighty

What made you want to look up eighty? Please tell us where you read or heard it (including the quote, if possible).


out of the ordinary or unreasonable

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!