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

Definition of theorize

transitive verb

1 : to form a theory about
2 : to propose as a theory

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Other Words from theorize

theorization \ ˌthē-​ə-​rə-​ˈzā-​shən How to pronounce theorize (audio) , ˌthir-​ə-​ \ 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 Some historians theorize that the Romans later came back and cremated the dead, while some wonder if the high death toll was a bit of exaggeration. Anne Thériault, Longreads, 14 May 2021 Even though Winfrey pressed both of them to identify the person who said this, both refused, which gave the interview a bit of a mystery box quality: That unanswered question immediately gave everyone something to theorize about online. Jen Chaney, Vulture, 9 Mar. 2021 Researchers analyzing the handprints theorize that they were made by children due to their small size. Nora Mcgreevy, Smithsonian Magazine, 6 May 2021 Some purists insist on producing a glossy black finish and theorize that the formation of carbon produces a tougher seasoned surface. Paige Szmodis, Popular Mechanics, 19 Mar. 2021 Archaeologists theorize that the murals were part of a compound of Maya nobles or diplomats living in the foreign city. Livia Gershon, Smithsonian Magazine, 15 Apr. 2021 Teams that build an open-world environment must also theorize about novelty in that environment. Mayank Kejriwal, The Conversation, 7 Apr. 2021 Stans were also quick to theorize that at least one song will feature Keith Urban. Emily Tannenbaum, Glamour, 2 Apr. 2021 Bringing a Black feminist lens to the project allowed Tubbs to theorize the women’s experiences of motherhood as both labor and liberation — in stark contrast to how some white feminist theorists have argued for understanding motherhood. NBC News, 30 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'theorize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of theorize

1638, in the meaning defined at intransitive sense

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Time Traveler for theorize

Time Traveler

The first known use of theorize was in 1638

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Statistics for theorize

Last Updated

3 Jun 2021

Cite this Entry

“Theorize.” Dictionary, Merriam-Webster, Accessed 12 Jun. 2021.

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More Definitions for theorize



English Language Learners Definition of theorize

: to think of or suggest ideas about what is possibly true or real : to form or suggest a theory about something


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