1. The decade from 1950 to 1959
   - 1950s 
2. The time of life between 50 and 60
   - mid-fifties

1. The cardinal number that is the product of ten and five
   - 50, L 
2. A United States bill worth 50 dollars
   - fifty dollar bill

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

Part of: adulthood, maturity

Encyclopedia: Fifties

• message pad
• messaging
• messenger
• messenger boy
• messenger RNA
• messiah
• messiahship
• messianic
• Messidor
• messily
• Messina
• messiness
• messmate
• messuage
• messy
• mestiza
• mestizo
• mestranol
• Mesua
• Mesua ferrea
• meta-
• metabola
• metabolic
• metabolic acidosis
• metabolic alkalosis