theorize

verb

the·​o·​rize ˈthē-ə-ˌrīz How to pronounce theorize (audio)
ˈthir-ˌīz
theorized; theorizing

transitive verb

1
: to form a theory about
2
: to propose as a theory
theorization noun
theorizer noun

Examples of theorize in a Sentence

Many scientists have theorized about the possibility of life on other planets.
Recent Examples on the Web
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.
These teams aren't just theorizing about the future but actively building it. Max (chong) Li, Forbes, 18 Mar. 2025 Scientists have theorized that the antioxidants in red wine could play a role in reducing cholesterol, for example. Dylan Scott, Vox, 14 Mar. 2025 Some have theorized Nessie might be a Jurassic-era reptile like a Plesiosaur, a giant fish or even an eel. N'dea Yancey-Bragg, USA TODAY, 6 Mar. 2025 Scientists have long theorized that dogs possess an innate connection to humans that they are born with and predates any training or learned behaviors. Russel Honoré, Newsweek, 5 Mar. 2025 See All Example Sentences for theorize

Word History

First Known Use

1644, in the meaning defined at transitive sense 1

Time Traveler
The first known use of theorize was in 1644

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Cite this Entry

“Theorize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorize. Accessed 28 Mar. 2025.

Kids Definition

theorize

verb
the·​o·​rize ˈthē-ə-ˌrīz How to pronounce theorize (audio)
theorized; theorizing
: to form a theory : speculate
theorizer noun

More from Merriam-Webster on theorize

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