This shows grade level based on the word's complexity.
eighty
[ ey-tee ]
/ ˈeɪ ti /
Save This Word!
This shows grade level based on the word's complexity.
noun, plural eight·ies.
a cardinal number, ten times eight.
a symbol for this number, as 80 or LXXX.
a set of this many persons or things.
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
amounting to 80 in number.
QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
Words nearby eighty
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use eighty in a sentence
British Dictionary definitions for eighty
eighty
/ (ˈeɪtɪ) /
noun plural -ies
the cardinal number that is the product of ten and eightSee also number (def. 1)
a numeral, 80, LXXX, etc, representing this number
(plural) the numbers 80–89, esp a person's age or the year of a particular century
the amount or quantity that is eight times as big as ten
something represented by, representing, or consisting of 80 units
determiner
- amounting to eightyeighty pages of nonsense
- (as pronoun)eighty are expected
Word Origin for eighty
Old English eahtatig; related to Old Frisian achtig, Old High German ahtozug
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