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.
Because previous coronavirus outbreaks associated with the SARS-CoV and MERS-CoV viruses resulted from zoonotic transfers, researchers theorized that SARS-CoV-2 likewise entered the human population via a zoonotic transmission. Dave Wessner, Forbes, 30 Dec. 2024 Russia's aviation authority initially theorized that a collision with a flock of birds could have played a part in the crash. Olivia B. Waxman, TIME, 26 Dec. 2024 Meanwhile, Ukrainian officials and aviation experts theorized that the crash was possibly caused by antiaircraft fire from Russia, The Wall Street Journal reported — a view that has been played down by the Kremlin. David Chiu, People.com, 26 Dec. 2024 In fact, the only correct guess comes from Rita Ora, who theorizes that Wasp is none other than — spoiler alert! Andy Swift, TVLine, 18 Dec. 2024 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

Dictionary Entries Near theorize

Cite this Entry

“Theorize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorize. Accessed 6 Jan. 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
Last Updated: - Updated example sentences
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