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Alternative forms[edit]



  1. plural of thirty

thirties pl (plural only)

  1. A decade starting with the year xx30, most usually the decade from 1930 to 1939.
    It says here on your resume that your last job was as a streetcorner apple vendor―that's quite a thirties profession!
    • 1975, Michael T. Isenberg, “An Ambiguous Pacifism: A Retrospective on World War I Films, 1930–1938”, in Journal of Popular Film, volume 4, number 2, DOI:10.1080/00472719.1975.10661763, page 109:
      The Road to Glory, while not the best, was likewise not the least of the thirties films which may justly be called "anti-war" in both intent and execution.
  2. The decade of one's life from age 30 through age 39.
    He looked to be in his thirties.
  3. (temperature, rates) The range between 30 and 39.



See also[edit]