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guestimate

guestimate

7.9
A rough guess about a number or amount without exact information
  • noun
  • /ˈɡɛstɪmeɪt/
  • Informal
translation icon : estimación aproximada
  • This, of course, requires ridiculous amounts of energy, something in the region of the entire energy output of a star for a year for a ship this size (just a guestimate; it is very large, though).

Examples

  • Based on my calculations and some rough data, I would say that the project's budget could be around $10,000; that's just a guestimate.

  • So all in all, not too far off for a guestimate.

    Blog text (13)
  • Are these guestimates of future oil prices anywhere close to what you have seen in commercial proposals?

    Blog text (32)
  • Despite the disparities of these estimates, no data source gives details on how these "guestimates" were derived (Kelly, 2002).

    Academic text (2005)
  • However, the revenues from trafficking reported are "guestimates" because they are based on estimates of the number of transactions between WTSW, clients, and traffickers.

    Academic text (2005)
  • The environmental study provided a guestimate of the wildlife population in the area, combining field observations and sampling data.

  • Her guestimate of the crowd size at the concert was about 5,000 people, based on her experience with similar events.

Synonyms

estimate
vsguestimate
370 2.6

A rough calculation of a number, amount or size

uses both guessing and reasoning rather than exact calculation
estimation
vsguestimate
15 3.4

A rough calculation of how much or how many something is

assumes some reasoning combined with guesswork instead of precise math
guesstimate
vsguestimate
  • Informal
5 6.8

A rough guess of an amount when you lack exact information

relies more on reasoned judgment alongside guesswork
proximation
vsguestimate
  • Specialized
1 8.2

A rough calculation used when exact numbers are not available

is based on both quick judgment and informal reasoning rather than exact methods
estimative
vsguestimate
8.1

A careful guess about size, amount, or cost of something

applies generally to any rough calculation using both guess and reasoning

How Accurate

precision
  • Specialized
157 4.2
calculation
  • Specialized
203 2.8
to estimate
765 2.8
guestimate
  • Informal
7.9
guess
768 1.0

Surface Forms

guestimate singular
guestimates plural

Morphology

guestimate = guess + estimate (transparent) = guess + estimate

A clear blend of 'guess' and 'estimate' whose meaning ('a rough estimate based on guesswork') is directly inferable from its parts.

Etymology

The word guestimate comes from the words guess and estimate. A guestimate is an 'estimate' made by 'guessing', a quick, rough number when you do not have exact data.