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 Higgins also debunked the debasement trade hypothesis. Jason Ma, Fortune, 27 Oct. 2025 Tunnug 1 confirms the hypothesis that the culture originated in Siberia, not western Europe. Maria Mocerino, Interesting Engineering, 26 Oct. 2025 But Jamey VanVliet, special agent in charge at the Nashville ATF office, did not say what those hypotheses were. Kirsten Fiscus, Nashville Tennessean, 24 Oct. 2025 The hypothesis is that the object that has recently been ripped apart by the white dwarf could have originated from this debris disk of material that survived the death of the star. Keith Cooper, Space.com, 24 Oct. 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • Professor of Science at Harvard University, recently made waves online for his theory that the interstellar comet has a 30% to 40% chance of being an artificial alien object sent to observe the solar system, Futurism reported.
    Jenna Prestininzi, Freep.com, 29 Oct. 2025
  • His theory is that while the opportunity in the digital space is booming, there is an industry shortage of skilled talent to capitalize.
    Jesse Whittock, Deadline, 29 Oct. 2025
Noun
  • Based on Boss’ checks, the TJX thesis is still alive and well.
    Jeff Marks, CNBC, 27 Oct. 2025
  • That’s the thesis of Returning to Myself, Carlile’s eighth solo album.
    Jonathan Bernstein, Rolling Stone, 24 Oct. 2025
Noun
  • The 2025 statewide special election is about a week away — and California voters will soon decide whether to approve or reject a statewide ballot proposition.
    Angela Rodriguez, Sacbee.com, 28 Oct. 2025
  • The moment is right to test a worthy proposition.
    STEPHEN WERTHEIM, Foreign Affairs, 28 Oct. 2025

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Cite this Entry

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

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