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

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 Experts theorize that symptoms during an initial infection will typically be more severe than symptoms during reinfection, Dr. Virk says. Lela Moore, SELF, 20 July 2022 Some experts theorize that the pandemic helped drive the surge in killings. Washington Post, 8 July 2022 Because of the way the show started, people could theorize a big gimmick for an ending to the show. Yvonne Villarrealstaff Writer, Los Angeles Times, 24 May 2022 Many theorize that highly vibrational numbers like 1s and 2s help people benefit from their revelatory purpose. Ysolt Usigan, Woman's Day, 3 June 2022 The authors theorize that boas’ incredible breathing adaptations may have evolved far back in their history, and enabled them to later adopt their effective method of subduing and devouring prey. Brian Handwerk, Smithsonian Magazine, 24 Mar. 2022 More details about Bob Saget's death have been revealed as Florida investigators theorize what might have happened in final hours. Fox News, 25 Feb. 2022 Police theorize that Amie's assailant had been lying in wait for four hours. CBS News, 12 Feb. 2022 Often the authors of these pieces theorize that the word ought to be one that uses as many vowels as possible, contains letters that frequently appear in English or possesses features that regularly occur in the language. The Conversation, oregonlive, 5 Feb. 2022 See More

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.

First Known Use of theorize

1638, in the meaning defined at intransitive sense

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The first known use of theorize was in 1638

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the Orthodox Church

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Last Updated

2 Aug 2022

Cite this Entry

“Theorize.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2022.

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