Definition of suppositionnext
1
as in hypothesis
an idea that is the starting point for making a case or conducting an investigation my supposition is that this grape variety, which flourishes in southern France, should do equally well here, given the similar climate

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2
as in guess
an opinion or judgment based on little or no evidence it's pure supposition on your part that there's something illegal going on next door

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3

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of supposition Under California law, fraud must be pled with particularity, meaning there must be specifics and details in the complaint; generalizations, inferences and supposition don’t cut it. Michael McCann, Sportico.com, 16 Jan. 2026 The nature of Tech’s loss only supports the supposition that, without Texas and Oklahoma, the Big 12 is sorely lacking in top-tier talent. Kevin Sherrington jan. 1, Dallas Morning News, 1 Jan. 2026 Both Ripa and Consuelos rejected the supposition, with Ripa admitting that the only evening during which Consuelos looks presentable during the holidays is Christmas Eve. Joey Nolfi, Entertainment Weekly, 21 Nov. 2025 Slavik knocked Combs for lining up speaking engagements for as soon as next week with the supposition that he’d be released. Nicki Brown, CNN Money, 4 Oct. 2025 See All Example Sentences for supposition
Recent Examples of Synonyms for supposition
Noun
  • The memory consolidation hypothesis holds that sleep talking may be a byproduct, or even a signal, of the brain’s nightly memory processing.
    Scott Travers, Forbes.com, 14 June 2026
  • One answer is the Rare Earth hypothesis, which theorizes that our planet really is special.
    Emma Gometz, Scientific American, 12 June 2026
Noun
  • In other words, the cracking techniques improved with each successful guess.
    Dan Goodin, ArsTechnica, 17 June 2026
  • My guess is there’s a two-year deal around $10 million per year waiting for Carlson on the July 1 open market, if not more.
    Pierre LeBrun, New York Times, 16 June 2026
Noun
  • But this case shows that assumption can fall apart fast.
    Kurt Knutsson, FOXNews.com, 17 June 2026
  • Since life-cycle assessments are sensitive to assumptions and contextual factors, the data is intended as a proxy for identifying supply chain pressure points rather than as a benchmarking tool.
    Jasmin Malik Chua, Footwear News, 17 June 2026
Noun
  • For a lender, the practical question is not whether the theory still exists.
    Dara-Abasi Ita, Forbes.com, 14 June 2026
  • If that theory still holds, putative 2028 Democratic candidate Rahm Emanuel has an early advantage — in the bike lane.
    Naomi Lim, The Washington Examiner, 13 June 2026
Noun
  • An OpenAI reasoning model recently overturned a conjecture Paul Erdős posed in 1946, toppling an eighty-year assumption in combinatorial geometry by importing machinery from algebraic number theory — two fields with no obvious reason to meet.
    Christian Catalini, Forbes.com, 11 June 2026
  • But that’s just conjecture, of course.
    R. Eric Thomas, Mercury News, 9 June 2026
Noun
  • Building Read the long-range numbers and the thesis becomes obvious.
    Gabriel Alin Zainescu, Forbes.com, 19 June 2026
  • Midway through the premiere, the season’s seeming thesis statement is delivered by Criston Cole (Fabien Frankel), perhaps the series’ most malleably moral character.
    Roxana Hadadi, Vulture, 18 June 2026
Noun
  • That makes for a more compelling value proposition, useful in daily life, versus a more specialized machine with inferior performance.
    Matthew Buzzi, PC Magazine, 14 June 2026
  • Loyalty at scale is earned through a values proposition your customers can actually feel.
    Rhett Power, Forbes.com, 14 June 2026

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Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 20 Jun. 2026.

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