eighties Meaning, Definition & Usage

1. noun the decade from 1880 to 1889
   1880s.
   
2. noun the decade from 1980 to 1989
   1980s.
   
3. noun the time of life between 80 and 90
   mid-eighties.
   
4. noun the cardinal number that is the product of ten and eight
   LXXX; 80; fourscore; eighty.
   

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