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num A1 Beginner Uncommon

ninety

NYN-tee

Ninety (num) means the number 90, one more than eighty-nine and one less than ninety-one. Example: “Her grandmother just turned ninety.”

num
1
The number 90, one more than eighty-nine and one less than ninety-one.
"Her grandmother just turned ninety."

How to use ninety

Learner’s notes

In plain EnglishThe number 90.

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

Fill the gap

Can you complete this real example?

Her grandmother just turned _____.

Etymology

From Old English hundniġontiġ, built ultimately from nine plus a suffix meaning "ten times."

Origin: Old English

Rhymes for ninety

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Frequently asked questions

What does “ninety” mean?

The word “ninety” means the number 90, one more than eighty-nine and one less than ninety-one. In plain terms, the number 90.

How do you pronounce “ninety”?

“Ninety” is pronounced NYN-tee (/ˈnaɪn.di/ in IPA).

How do you use “ninety” in a sentence?

Here is “ninety” used in a sentence: “Her grandmother just turned ninety.”

What part of speech is “ninety”?

“Ninety” is a num.

Where does the word “ninety” come from?

The word “ninety” comes from Old English. From Old English hundniġontiġ, built ultimately from nine plus a suffix meaning "ten times.".

Is “ninety” a common word?

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

What is the difference between ninety and ninth?

Ninety is the cardinal number 90, one more than eighty-nine and one less than ninety-one, while ninth is the ordinal form referring to position, 9th, in a sequence. The two are often confused despite representing very different values.

How do you write ninety in numerals?

Ninety is written as 90 in numerals, representing the number one more than eighty-nine and one less than ninety-one. It is a cardinal number used for counting quantity rather than indicating position.

What is the difference between ninety and ninetieth?</question>

Ninety is the cardinal number 90, used for counting, while ninetieth is the ordinal form, 90th, used to describe position in a sequence, such as a ninetieth birthday. The distinction is the same pattern seen with other number pairs like nine and ninth.

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