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 Refraining from adding personal conjecture or hypotheses might reduce any bias LLMs bring into their calculations. Jodie Cook, Forbes.com, 31 Mar. 2025 The objective was to confuse enemy U-boat captains trying to determine the speed and direction of those ships, and a 1919 study seemed to support that hypothesis. ArsTechnica, 31 Mar. 2025 Related article Historic asteroid sample reveals the ‘building blocks of life are in fact extraterrestrial in origin,’ scientists say Yet another hypothesis suggests that organic molecules didn’t originate on Earth at all. Mindy Weisberger, CNN Money, 28 Mar. 2025 Largest Organics Yet Discovered on Mars Watch on To test the feasibility of this hypothesis, the researchers mixed a fatty acid into Mars-like clay and processed it in a lab back on Earth. Margherita Bassi, Smithsonian Magazine, 26 Mar. 2025 See All Example Sentences for hypothesis
Recent Examples of Synonyms for hypothesis
Noun
  • That’s just a theory, not a spoiler or even a prediction.
    Brian Mazique, Forbes.com, 18 Apr. 2025
  • The site goes on to advance the theory that COVID-19 originated in a Wuhan lab and undermines Trump’s political rivals like Joe Biden and Andrew Cuomo.
    Brian Niemietz, New York Daily News, 18 Apr. 2025
Noun
  • This moment of revelation should, by all rights, be the sweeping and profound thesis statement of The White Lotus’s third season.
    Kathryn VanArendonk, Vulture, 7 Apr. 2025
  • If that’s the case the short-term pain may prove too much to bear, regardless of the longer-term thesis.
    Niall Stanage, The Hill, 2 Apr. 2025
Noun
  • These are not radical propositions but instead form baseline expectations for any organization that is entrusted with the lives, safety and stories of vulnerable people.
    Sughnen Yongo, Forbes.com, 9 Apr. 2025
  • Design should be a proposition that anchors us in the present moment.
    Mark Holgate, Vogue, 8 Apr. 2025

Browse Nearby Words

Cite this Entry

“Hypothesis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hypothesis. Accessed 24 Apr. 2025.

More from Merriam-Webster on hypothesis

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!