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Definition of "forty" []

  • The cardinal number equal to 4 × 10. (noun)
  • A decade or the numbers from 40 to 49: They stopped smoking in their forties. At night the temperature fell into the forties. (noun)
  • The decade from 40 to 49 in a century. (noun)
  • The cardinal number that is the product of ten and four (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.

  • A numeral, 40, XL, etc, representing this number (noun)
  • Something representing, represented by, or consisting of 40 units (noun)
  • Amounting to forty (determiner)
  • (as pronoun) (determiner)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "forty" in a sentence
  • ""Mr. Brewer of the Crown inn, Nothingham, undertook for a wager of forty guineas to go with a mare belonging to him in a cart, to Newark and back again, being a distance of _forty miles, in four hours_."
  • "Early Park, in the parish of B Bird, had been his residence since he first came to the title forty years ago, and had been the scene of all his labours."
  • "Early Park, in the parish of Bird, had been his residence since he first came to the title forty years ago, and had been the scene of all his labours."