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 The meticulous observation of each bear also helps the veterinarians, who use the information to consistently re-evaluate their own hypotheses. Ryley Graham, Smithsonian Magazine, 4 June 2025 One popular theory of dreaming is the continuity hypothesis, which holds that dreams are built from the stuff of waking life. Cody Cottier, Discover Magazine, 3 June 2025 In the second season of the show, Fielder spent two-and-a-half years becoming a real pilot, on a journey to support his hypothesis that co-pilot-to-pilot communication is the leading cause of plane crashes. Kirsten Chuba, HollywoodReporter, 2 June 2025 But after a six-year investigation, officials had an alternative hypothesis, eventually accusing Sherri of manufacturing the kidnapping to run away with her former boyfriend, James Reyes. Ct Jones, Rolling Stone, 26 May 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • But the people interviewed for this story float several theories.
    Tyler Hicks, Rolling Stone, 5 June 2025
  • As fear grew in 2023 over the failure to reach a deal on raising the debt ceiling, the White House was said to be considering an option of last resort: an untested legal theory that involves invoking the 14th Amendment.
    Anna Kaufman, USA Today, 4 June 2025
Noun
  • The significant investment in Anthropic validates a new thesis: Building safe and aligned AI is not just ethical but a compelling investment opportunity.
    Elena Volotovskaya, Forbes.com, 10 June 2025
  • In addition to the 27 films screening at CIFF, the fest will feature a section titled the Student Film Corner, a place for college students in Croatia and neighboring countries to screen their thesis films.
    Addie Morfoot, Variety, 3 June 2025
Noun
  • Betting against Musk has become a high-risk proposition, bordering on financial self-destruction.
    Joel Shulman, Forbes.com, 8 June 2025
  • Backers of incorporation frame it as a win-win proposition.
    Michael Smolens, San Diego Union-Tribune, 8 June 2025

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Cite this Entry

“Hypothesis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hypothesis. Accessed 17 Jun. 2025.

More from Merriam-Webster on hypothesis

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