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Definition of "sixty" []

  • The cardinal number equal to 6 × 10. (noun)
  • A decade or the numbers from 60 to 69: They planned to retire in their sixties. The breeze kept the temperature in the sixties. (noun)
  • The decade from 60 to 69 in a century. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "sixty" in a sentence
  • "War veterans who haven't spoken a word about their soldiering in sixty years start relaying anecdotes about the nineteen-year-old versions of themselves that leave one gobsmacked."
  • "Europe, Asia, and Africa; but not one word has been heard of them-not in sixty years."
  • "And within sixty seconds, Boo was shoulder to shoulder with his brother dropping balls down tunnels with his big brother."