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ninety

Pronunciation: /ˈnʌɪnti/

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Definition of ninety

number (plural nineties)

  • equivalent to the product of nine and ten; ten less than one hundred; 90: a cheque for ninety pounds (Roman numeral: xc or XC)
  • (nineties) the numbers from 90 to 99, especially the years of a century or of a person’s life:art in the nineties
  • ninety years old:she is nearly ninety
  • ninety miles an hour:we passed the junction doing about ninety

Derivatives

ninetieth

number

ninetyfold

adjective & adverb

Origin:

Old English nigontig

Spelling help

Spell ninety with an e between the n and the t.

ninety in other Oxford dictionaries

Definition of ninety in the US English dictionary

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