guess·​ti·​mate | \ ˈge-stə-mət How to pronounce guesstimate (audio) \

Definition of guesstimate

: an estimate usually made without adequate information

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Other Words from guesstimate

guesstimate \ ˈge-​stə-​ˌmāt How to pronounce guesstimate (audio) \ transitive verb

Examples of guesstimate in a Sentence

Recent Examples on the Web The Marc’s construction was started in January and the current guesstimate for completion, said Boczek, is probably November. Linda Gandee/special To,, "New Marc’s plaza is cornerstone of Westlake’s current economic development," 17 Sep. 2019 The latest guesstimate of the Social Security trustees is that the trust fund will run out in 2035; at that point, barring congressional action, benefits would have to be cut by as much as 25%. Los Angeles Times, "Column: Elizabeth Warren offers a Social Security reform plan that checks a lot of boxes," 12 Sep. 2019 The third narrative relegates the economic data to their proper place as an unreliable and heavily revised set of guesstimates. James Mackintosh, WSJ, "Pick Your Portfolio’s Story: Late-Cycle Sugar Rush or New Boom?," 30 July 2018 The Park Service stopped estimating crowd sizes after it was sued in 1995 by the organizers of the Million Man March, who claimed the march attracted more than four times the official guesstimate of 400,000. Rick Hampson, USA TODAY, "The six keys to organizing a successful march on Washington," 22 Mar. 2018 The document says there are no U.S. estimates of the feral hog population based on scientific data but guesstimates suggest a national population of 8 million to 9 million. W. Gardner Selby, San Antonio Express-News, "Publication half right about Texas being top spot for feral pigs," 23 Feb. 2018 But in February Harry Enten made a credible rough guesstimate: Since 2012 (or when most states instituted the current House district lines), Republicans have won, on average, 51 percent of the two-party House vote and 55 percent of House seats. Ed Kilgore, Daily Intelligencer, "Is That a Democratic Tsunami Taking Shape for 2018?," 14 May 2017 Savage derived it by combining a good-faith guesstimate by researcher and noted eccentric T.D. Luckey with a textbook’s reasonable, but unsupported human cell count. Michael Greshko, National Geographic, "How Many Cells Are in the Human Body—And How Many Microbes?," 13 Jan. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'guesstimate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of guesstimate

1923, in the meaning defined above

History and Etymology for guesstimate

blend of guess and estimate

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Time Traveler for guesstimate

Time Traveler

The first known use of guesstimate was in 1923

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Cite this Entry

“Guesstimate.” The Dictionary, Merriam-Webster Inc., Accessed 28 January 2020.

More from Merriam-Webster on guesstimate

Thesaurus: All synonyms and antonyms for guesstimate

Rhyming Dictionary: Words that rhyme with guesstimate

Comments on guesstimate

What made you want to look up guesstimate? Please tell us where you read or heard it (including the quote, if possible).


showing steady, earnest care and effort

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