[sev-uh n-teen]


a cardinal number, 10 plus 7.
a symbol for this number, as 17 or XVII.
a set of this many persons or things.


amounting to 17 in number.
(initial capital letter, italics) a novel (1916) by Booth Tarkington.

Nearby words

  1. sevenbark,
  2. sevener,
  3. sevenfold,
  4. sevenpenny,
  5. sevens,
  6. seventeen-year locust,
  7. seventeenth,
  8. seventeenth amendment,
  9. seventh,
  10. seventh amendment

Origin of seventeen

before 900; Middle English seventene, Old English seofontēne (cognate with Dutch zeventien, German siebzehn). See seven, -teen Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for seventeen

British Dictionary definitions for seventeen



the cardinal number that is the sum of ten and seven and is a prime numberSee also number (def. 1)
a numeral, 17, XVII, etc, representing this number
the amount or quantity that is seven more than ten
something represented by, representing, or consisting of 17 units


  1. amounting to seventeenseventeen attempts
  2. (as pronoun)seventeen were sold

Word Origin for seventeen

Old English seofontīene

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for seventeen


late Old English seofontyne; see seven + -teen. Replacing Old English form seofon-teoða. Cf. German siebzehn, a contraction of Middle High German siben-zehen.

Online Etymology Dictionary, © 2010 Douglas Harper