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num A1 Beginner Uncommon

eighty

AY-tee

Eighty (num) means the number 80, one more than seventy-nine. Example: “The speed limit here is eighty kilometers per hour.”

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1
The number 80, one more than seventy-nine.
"The speed limit here is eighty kilometers per hour."
"My grandmother just turned eighty."

How to use eighty

Learner’s notes

In plain EnglishThe number after seventy-nine.

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Test yourself on “eighty” A quick quiz — meaning, synonyms & usage

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The speed limit here is _____ kilometers per hour.

Etymology

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”).

Origin: Middle English

Rhymes for eighty

See all rhymes for eighty →

Frequently asked questions

What does “eighty” mean?

The word “eighty” means the number 80, one more than seventy-nine. In plain terms, the number after seventy-nine.

How do you pronounce “eighty”?

“Eighty” is pronounced AY-tee ([ˈ(ʔ)eɪ̯ɾi] in IPA).

How do you use “eighty” in a sentence?

Here is “eighty” used in a sentence: “The speed limit here is eighty kilometers per hour.”

What part of speech is “eighty”?

“Eighty” is a num.

Is “eighty” a common word?

“Eighty” is an uncommon word in modern English, usually learned at around the A1 level.

How do you write eighty as a numeral?

Eighty is written as the numeral 80, representing one more than seventy-nine. It functions as a cardinal number used to count a quantity of eighty items.

What is the ordinal form of eighty?

The ordinal form of eighty is eightieth, used to describe position in a sequence, such as 'his eightieth birthday.' Eighty itself is used purely to state a quantity, not a position.

When should eighty be spelled out versus written as 80?

Formal writing style commonly spells out round numbers like eighty in running text, while numerals such as 80 are typical in informal writing, statistics, and technical or numerical contexts. The choice often depends on the style guide being followed and the surrounding content.

Definitions: FreeDict original editorial · etymology from Wiktionary