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

  • n. Informal An estimate based on conjecture.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.
  • v. To make a guesstimate.
  • v. To make a guesstimate of a specific quantity.

from the GNU version of the Collaborative International Dictionary of English

  • n. an estimate based on little information, being little better than a guess.

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

  • v. estimate based on a calculation
  • n. an estimate that combines reasoning with guessing


Blend of guess and estimate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Blend of guess and estimate (Wiktionary)



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