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ninety

nine·ty

ninety

 
pronunciation:
naIn ti
parts of speech:
noun, adjective
part of speech: noun
inflections: nineties
definition 1: the number represented by the Arabic numeral 90 and by the Roman numeral XC.
definition 2: the product of multiplying ten times nine.
definition 3: (pl.) the period of years from 1890 through 1899 or from 1990 through 1999.
definition 4: (pl.) the period in one's life from age ninety through age ninety-nine.
 
part of speech: adjective
definition: being ninety in number.