eighty

[ ey-tee ]

noun

, plural eight·ies.

1. a cardinal number, ten times eight.
2. a symbol for this number, as 80 or LXXX.
3. a set of this many persons or things.
4. eighties, the numbers, years, degrees, or the like, from 80 through 89, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature.

adjective

1. amounting to 80 in number.

eighty

/ ˈeɪtɪ /

noun

1. the cardinal number that is the product of ten and eight See also number
2. a numeral, 80, LXXX, etc, representing this number
3. plural the numbers 80–89, esp a person's age or the year of a particular century
4. the amount or quantity that is eight times as big as ten
5. something represented by, representing, or consisting of 80 units

determiner

1. 1. amounting to eighty

      eighty pages of nonsense

   2. ( as pronoun )

      eighty are expected

Word History and Origins

Origin of eighty¹

before 850; Middle English eighteti, Old English eahtatig. See eight, -ty ¹

Word History and Origins

Origin of eighty¹

Old English eahtatig; related to Old Frisian achtig, Old High German ahtozug

Example Sentences

Eighty people are still missing.

From BBC

He just told an audience in Arizona Thursday night that "if Ronald Reagan came back from the dead at the height of Ronald Reagan, if he went to California to have a rally, he'd have 250–300 people in a ballroom. We have fifty, sixty, seventy, eighty, a hundred thousand people."

From Salon

Eighty years ago, someone named Shohei Ohtani could never have taken center stage in the World Series.

From Los Angeles Times

More than eighty Nobel Prize laureates published an open letter on Thursday declaring that the scientific policies of Vice President Kamala Harris are “vastly superior” to the ones proposed by her opponent, former President Donald Trump.

From Salon

Looking back at the end of December 1893 on the year just coming to a close, the business journal Bradstreet’s Weekly called the losses suffered nationwide in “financial, commercial and industrial circles” worse than at any time in “the past eighty years.”

From Los Angeles Times