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 That upends a previous hypothesis that the best clues to past life on Mars could be contained in older rock formations. Eric Lagatta, USA Today, 11 Sep. 2025 The major outcome of the Framingham study was the multiple risk factor hypothesis. Bryant Stamford, Louisville Courier Journal, 11 Sep. 2025 Investigators initially had 12 hypotheses about what caused the deadly collapse, per The Miami Herald. Madison E. Goldberg, PEOPLE, 10 Sep. 2025 However, despite the appeal of this coevolution hypothesis, the evidence remains largely circumstantial. Pranjal Malewar, New Atlas, 7 Sep. 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • Climate risk doesn’t live in theory.
    Sophia Mendelsohn, Forbes.com, 17 Sep. 2025
  • The Florida Department of Education argued that HB 1069 is protected by Florida’s First Amendment right of government speech, a legal theory that the government has the right to prevent any opposing views to its own in schools or any government platform.
    James B. Blasingame, The Conversation, 17 Sep. 2025
Noun
  • Over glitchy computer beats and a light wash of synths, Bowie outlined his late-period artistic thesis.
    Jed Gottlieb, Boston Herald, 13 Sep. 2025
  • Micron Technology’s breakout above $130, coupled with its expanding HBM market share and attractive valuation, continues to support the bullish thesis.
    Tony Zhang, CNBC, 10 Sep. 2025
Noun
  • That’s looking like a much tougher proposition.
    Gabrielle Starr, Boston Herald, 16 Sep. 2025
  • The 2025 Emmys Tried Something New The 77th Emmy Awards kicked off with an interesting proposition from first-time host, comedian Nate Bargatze.
    Dani Di Placido, Forbes.com, 15 Sep. 2025

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Cite this Entry

“Hypothesis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hypothesis. Accessed 18 Sep. 2025.

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