1. The time of life between 20 and 30
   "In her mid-twenties, she decided to change careers";
   - mid-twenties
    
2. The decade from 1920 to 1929
   "The 1920s are often referred to as the Roaring Twenties";
   - 1920s

1. The cardinal number that is the sum of nineteen and one
   "She had twenty guests at her birthday party";
   - 20, XX
    
2. A United States bill worth 20 dollars
   "He tipped the valet with a twenty dollar bill";
   - twenty dollar bill

Type of: bank bill, bank note, banker's bill [N. Amer], banknote, bill [N. Amer], decade, decennary [archaic], decennium, Federal Reserve note [US], government note [US], greenback [US, informal], large integer, note, time of life

Part of: adulthood, maturity

Encyclopedia: Twenties