Eighty Meaning
/ˈeɪ.ti/Definition, CEFR level A1, pronunciation, examples, and quiz.
Listen pronunciation
Definition
numThe cardinal number occurring after seventy-nine and before eighty-one, represented in Roman numerals as LXXX and in Arabic numerals as 80.
Sentence Examples
Halley's Comet comes round once every eighty years.
The lady is over eighty.
CEFR Practice Quiz
She inherited ____ acres of farmland from her grandfather.
CEFR Practice Quiz (Alternate)
Halley's Comet comes round once every ____ years.
Word Origin & History
Inherited from Middle English eightety, eiȝti, eiȝtety, from Old English hundeahtatiġ, from Proto-Germanic *ahtōutēhundą (“eighty”), equivalent to eight + -ty. Cognate with Scots hechty, auchty (“eighty”), Saterland Frisian tachentich (“eighty”), West Frisian tachtich (“eighty”), Dutch tachtig (“eighty”), Low German tachentig (“eighty”), German achtzig (“eighty”), Swedish åttio (“eighty”), Norwegian åtti (“eighty”), Icelandic áttatíu (“eighty”).
Literary Quotations & Historical Citations
"Merryday, who was appointed by President Geroge^([sic]) H. W. Bush, said the complaint contains eighty pages of repetitive claims and praise for President Trump, but fails to establish the two counts of defamation alleged."
— 2025 September 19, Peter Charalambous, “Judge tosses Trump's $15B defamation suit against New York Times, Penguin Random House”, in ABC News, archived from the original on 20 Sep 2025:
Explore More A1 Vocabulary Words
CEFR Practice Quiz
She inherited ____ acres of farmland from her grandfather.
CEFR Practice Quiz (Alternate)
Halley's Comet comes round once every ____ years.