50s (EN)
noun

This word can also be a form of:
fifty (noun)

noun “50s”

50s, fifties, plural only
  1. the period from 1950 to 1959
    My grandparents often share fascinating stories about their youth in the '50s.
  2. the range of temperatures between 50 and 59 degrees
    The forecast predicts the weather will stay in the low 50s throughout the week.
  3. the years of a person's life when they are aged 50 to 59
    She started learning to play the guitar in her 50s, proving it's never too late to pick up a new hobby.