Guesstimate
WordNet

noun


(1)   An estimate that combines reasoning with guessing

verb


(2)   Estimate based on a calculation
WiktionaryText

Noun



  1. An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.

Verb



  1. To make a guesstimate.
  2. To make a guesstimate of a specific quantity.
 
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