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.
Some of Morris’ colleagues at CSUN theorized his death was connected to his work. Matthew Ormseth, Los Angeles Times, 3 May 2025 To explain this apparent contradiction, the team theorized that the material was likely inserted through the rectum. Katie Hunt, CNN Money, 2 May 2025 Because of the setlist changes, fans began theorizing that Beyoncé may change the setlist for her explosive tour every night. Tomás Mier, Rolling Stone, 2 May 2025 And of course, fans have already been theorizing on how the set list might change in different cities. Caché McClay, USA Today, 2 May 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 15 May. 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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