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 goal of the platform is to support the entire drug lifecycle—from early-stage laboratory discovery and hypothesis generation to clinical trials and final commercialization.
    Rob Toews, Forbes.com, 22 June 2026
  • The working hypothesis behind the cluster is that the first case acquired hantavirus while on land, before boarding the cruise ship, the WHO said.
    Youri Benadjaoud, ABC News, 22 June 2026
Noun
  • An outdated bag from Saint Laurent, Fendi, Dior or Gucci can come roaring back, and serial numbers, dust bags and original hardware separate a real payday from a guess.
    Ryan Brennan, Kansas City Star, 24 June 2026
  • Experts have made wide-ranging guesses for more than three decades.
    Dan Goodin, ArsTechnica, 23 June 2026
Noun
  • The brand positions the fabric and fit as its answer to the old assumption that hemp-heavy shirts could not feel comfortable enough for everyday wear.
    Daniel Fusch, USA Today, 24 June 2026
  • This morning favors gentle starts and better listening, while the afternoon asks us to slow replies, check assumptions, and make our tone easier to understand.
    Tarot.com, Hartford Courant, 23 June 2026
Noun
  • The narrative conjures meaning from the Los Angeles cityscape by fusing a hodgepodge of textbook theories about the sprawling metropolis onto the gritty reality of daily life.
    Los Angeles Times, Los Angeles Times, 22 June 2026
  • According to the theory, each of these attributes contributes toward the most important influencing factor -- intention.
    Matt Parrott, Arkansas Online, 21 June 2026
Noun
  • Amid the Giannis Antetokounmpo trade conjecture has been the perception of Tyler Herro as a diminished asset.
    Ira Winderman, Sun Sentinel, 20 June 2026
  • 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
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
  • Broad distribution — the model where a brewery’s cans and bottles fan out across hundreds of retailers — has become a tougher and tougher proposition for independent breweries.
    Don Sweeney, Sacbee.com, 21 June 2026
  • First, some places are golf resorts with skiing rather than ski resorts with golf, skewing more summer centric, and at these the value proposition no longer comes into play, since summer remains peak season.
    Larry Olmsted, Forbes.com, 21 June 2026

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Cite this Entry

“Supposition.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/supposition. Accessed 26 Jun. 2026.

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