Word.ws English Dictionary

guesstimate

US/ˈɡɛs.tə.mət/

guesstimate noun: an estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.

Noun

guesstimate (plural guesstimates)

  1. (informal) An estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.
    • Near-synonym: educated guess
    • I'm not sure how many people were at the festival. My best guesstimate is 50,000.
    Synonyms:
    educated guess

Verb

US/ˈɡɛs.təˌmeɪt/

guesstimate (third-person singular simple present guesstimates, present participle guesstimating, simple past and past participle guesstimated)

  1. (intransitive) To make a guesstimate.
  2. (transitive) To make a guesstimate of a specific quantity.

Synonyms of guesstimate

Forms of guesstimate

Noun
pluralguesstimates
alternative formguestimate
Verb
third-person singular presentguesstimates
present participleguesstimating
past participleguesstimated
pastguesstimated

Past tense of guesstimate: guesstimated

Origin of guesstimate

Blend of guess + estimate.

Words formed from guesstimate

Questions about guesstimate

What does guesstimate mean?
Guesstimate means an estimate that is hardly any better than a guess, often because it is based on insufficient or unreliable data.
What part of speech is guesstimate?
Guesstimate can be a noun or a verb.
How do you pronounce guesstimate?
Guesstimate is pronounced /ˈɡɛs.tə.mət/ (US).
What is the plural of guesstimate?
The plural of guesstimate is guesstimates.

Words near guesstimate in the dictionary

  1. guessing games
  2. guessingly
  3. guessings
  4. guessive
  5. guessless
  6. guesstimate
  7. guesstimated
  8. guesstimates
  9. guesstimating
  10. guesstimation
  11. guesstimations

Source and license

Adapted from Wiktionary: guesstimate (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-guesstimate.wav.

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