guestimate

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A form of guesstimate — An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.

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guesstimate
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Meanings

nounguestimate (plural guestimates)

plural guestimates

  1. alternativeAlternative spelling of guesstimate.
verbguestimate (third-person singular simple present guestimates, present participle guestimating, simple past and past participle guestimated)

present singular third person guestimates · participle present guestimating · participle past guestimated · past guestimated

  1. alternativeAlternative spelling of guesstimate.

Synonyms & antonyms

nounan estimate that combines reasoning with guessing

Similar
guesstimate
Broader
estimateestimationapproximation
Also see
guesstimate

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Blend of guess + estimate.

Full word history & related roots →
Cite this entry
APA

guestimate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/guestimate

MLA

“guestimate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/guestimate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “guestimate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/guestimate.

Source: guestimate on Wiktionary, CC BY-SA 4.0.