Synonym Chooser

How does the noun hypothesis differ from other similar words?

The words law and theory are common synonyms of hypothesis. While all three words mean "a formula derived by inference from scientific data that explains a principle operating in nature," hypothesis implies insufficient evidence to provide more than a tentative explanation.

a hypothesis explaining the extinction of the dinosaurs

When can law be used instead of hypothesis?

The synonyms law and hypothesis are sometimes interchangeable, but law implies a statement of order and relation in nature that has been found to be invariable under the same conditions.

the law of gravitation

In what contexts can theory take the place of hypothesis?

The words theory and hypothesis can be used in similar contexts, but theory implies a greater range of evidence and greater likelihood of truth.

the theory of evolution

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 hypothesis Jill’s hypothesis struck me as unlikely, to say the least. David Epstein, ProPublica, 18 July 2025 This hypothesis is largely extrapolated from research in mice. Jessica Winter, New Yorker, 14 July 2025 Testing is still underway to confirm this hypothesis. Kameryn Griesser, CNN Money, 12 July 2025 During a rather boring testimony, a woman held me hostage in the hallway with hypotheses about the true paternity of Combs’ children. Ethan Shanfeld, Variety, 9 July 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • But Margulis took her theory further; in her view, symbiosis was the driving force of evolution, and many entities were likely composites.
    Zoë Schlanger, The Atlantic, 23 July 2025
  • Energized by these findings, Harland presented his theory to colleagues.
    Laura Poppick July 22, Literary Hub, 22 July 2025
Noun
  • In an interview with Fortune Intelligence, Turchin said this theory makes sense and fits with his thesis when presented with the similarities.
    Nick Lichtenberg, Fortune, 26 July 2025
  • His thesis was that a network of sensors designed to capture rich and relevant micro-climate data could be used to provide live information that would empower responders to make the best timely decisions during a crisis.
    Dr. Jonathan Reichental, Forbes.com, 25 July 2025
Noun
  • The proposition included $17.8 million for staff pay increases, including raises for special education specialists.
    Keri Heath, Austin American Statesman, 30 July 2025
  • For most organizations, and particularly century-old companies, transformation and change is seldom an easy proposition.
    Randy Bean, Forbes.com, 27 July 2025

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Cite this Entry

“Hypothesis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hypothesis. Accessed 4 Aug. 2025.

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