nineties Meaning, Definition & Usage

1. noun the decade from 1890 to 1899
   1890s.
   
2. noun the decade from 1990 to 1999
   1990s.
   
3. noun the time of life between 90 and 100
   mid-nineties.
   
4. noun the cardinal number that is the product of ten and nine
   90; ninety; XC.
   

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