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.
As the fires in continue to cause destruction, Henry Winkler has theorized that an arsonist is behind the damage being caused. Billie Schwab Dunn, Newsweek, 9 Jan. 2025 The scientists theorize that this signature could be detected today and used to investigate the mysteries of dark matter. Robert Lea, Space.com, 8 Jan. 2025 Experts have also theorized that Syria may have been involved, as Libya, Iran, and Palestinian extremists all had ties to Syria at the time. Rachel Brodsky, TIME, 2 Jan. 2025 Astronomers theorize that 2003 EH1, which takes about 5 ½ years to orbit the sun, is a dead comet that is now essentially a rock. Eric Lagatta, USA TODAY, 2 Jan. 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

Dictionary Entries Near theorize

Cite this Entry

“Theorize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorize. Accessed 21 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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