eighty

noun

plural eighties
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
eightieth 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
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Born from the embers of the eighties band Talulah Gosh, Heavenly, led by the singer and guitarist Amelia Fletcher, shuffled forward with her riffy, effervescent playing style, gradually growing more sophisticated across four LPs and an EP, without any loss of buoyancy. Hilton Als, New Yorker, 10 Apr. 2026 In the mid-eighties, Bambaataa appeared as himself in the movie Beat Street. Tom Tapp, Deadline, 9 Apr. 2026 And soon, an explosion of violence takes place which catapults us back through their lives, from the eighties to the present day. Rick Porter, HollywoodReporter, 7 Apr. 2026 This is a person in their eighties who was not demented. Anderson Cooper, CBS News, 22 Mar. 2026 See All Example Sentences for eighty

Word History

Etymology

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

First Known Use

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

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

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Cite this Entry

“Eighty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eighty. Accessed 11 Apr. 2026.

Kids Definition

eighty

noun
plural eighties
: a number that is equal to eight times 10 see number
eightieth adjective or noun
eighty adjective or pronoun

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