from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The cardinal number equal to 18 + 1.
  • n. The 19th in a set or sequence.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The cardinal number occurring after eighteen and before twenty, represented in Roman numerals as XIX and in Arabic numerals as 19. It is the last/largest of the "teens".

from the GNU version of the Collaborative International Dictionary of English

  • adj. Nine and ten; eighteen and one more; one less than twenty.
  • n. The number greater than eighteen by a unit; the sum of ten and nine; nineteen units or objects.
  • n. A symbol for nineteen units, as 19 or xix.

from The Century Dictionary and Cyclopedia

  • Nine more than ten, or one less than twenty: a cardinal numeral.
  • n. A number equal to the sum of nine and ten, or one less than twenty.
  • n. A symbol representing nineteen units, as 19, or XIX, or xix.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the cardinal number that is the sum of eighteen and one
  • adj. being one more than eighteen


Middle English nintene, from Old English nigontēne; see newn̥ in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English nynetene, nintene, from Old English nigontīene, nigontēne, from Proto-Germanic *newuntehun. Compare Dutch negentien, German neunzehn, Danish nitten. (Wiktionary)



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  • The first whole positive number I got to from one upwards that was not already listed on Wordie - Feb 17 2008.

    February 17, 2008