twenties Meaning, Definition & Usage

1. noun the time of life between 20 and 30
   mid-twenties.
   
2. noun the decade from 1920 to 1929
   1920s.
   
3. noun the cardinal number that is the sum of nineteen and one
   twenty; XX; 20.
   
4. noun a United States bill worth 20 dollars
   twenty; twenty dollar bill.
   

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