ninety

/ˈnaɪn.ti/

Proposed by a contributor, not yet supported by evidence.

Meaning · English

The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.

Nghĩa · Tiếng Việt

Số thứ tự xảy ra sau tám mươi chín và trước chín mươi mốt

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Numeral

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “ninety” mean?

The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.

Is “ninety” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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