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 theorization (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

Ryugu is theorized to hold organic matter and water from some 4.6 billion years ago. David Grossman, Popular Mechanics, "Scientists Surprised at How Much of Asteroid They Blew Up," 25 Apr. 2019 Ever since Grande revealed the song title at the end of January, fans have been theorizing who the subject could be. Erica Gonzales, Harper's BAZAAR, "Ariana Grande's "Break Up with Your Girlfriend, I'm Bored" Is a Thirsty Banger and We're Here for It," 8 Feb. 2019 This theorized collusion was linked to controversy stemming from Kaepernick’s kneeling during the playing of the national anthem. Michael Mccann,, "The Latest Wrinkle in Colin Kaepernick's Collusion Case: Polling Data?," 24 May 2018 For years, people have been theorizing that the entire movie has been about Elsa's sexuality, with some fans petitioning to #GiveElsaAGirlfriend on social media. Brianna Wiest, Teen Vogue, "The Director of Frozen Responded to Fans Who Want Elsa to Have a Girlfriend," 28 Feb. 2018 In fact, fans had previously theorized, via a wild conspiracy theory, that Dylan's appearance on the series could have been a subtle future nod to his role on 13 Reasons Why. Lauren Rearick, Teen Vogue, "Demi Lovato, Millie Bobby Brown, and Dylan Minnette All Starred in "Grey's Anatomy" Episodes," 26 Mar. 2019 Others further theorize that the 12 steps on the staircase symbolize the 12 tracks on an album. Vogue, "Taylor Swift Lovingly Trolls Fans Hoping for a Big Secret Album Announcement," 27 Feb. 2019 Free-marketeers theorize that if government would get out of the way, markets would correct excessive pricing with supply, thus bringing down prices. WSJ, "More Housing Would Mean Cheaper Housing," 25 Jan. 2019 His 30-year research partner, University of California Berkeley professor Walter Alvarez, first theorized that dinosaurs became extinct 66 million years ago when a giant meteor slammed into the Earth. Katherine Long, The Seattle Times, "UW’s new provost plumbs one of Earth’s most fascinating mysteries," 22 Oct. 2018

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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Statistics for theorize

Last Updated

16 May 2019

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Time Traveler for theorize

The first known use of theorize was in 1638

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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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More from Merriam-Webster on theorize

Rhyming Dictionary: Words that rhyme with theorize

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Spanish Central: Translation of theorize

Nglish: Translation of theorize for Spanish Speakers

Britannica English: Translation of theorize for Arabic Speakers

Comments on theorize

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highly pertinent or appropriate

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