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.
While their origins are still unclear, experts theorize the pair originated either as asteroids that got caught by Mars’ gravitational pull, or as debris leftover from the Solar System’s formation. Andrew Paul, Popular Science, 31 Oct. 2024 First theorized in 1916 by Albert Einstein, gravitational waves are ripples in the fabric of space-time created during some of the universe's most powerful events, including the merging or collision of supermassive black holes. Eric Lagatta, USA TODAY, 26 Oct. 2024 Fans have endlessly theorized, debated and hunted for clues across the web, while investigative journalists have tried to unwind the mystery with no success. Andrew R. Chow, TIME, 9 Oct. 2024 The convict also theorized that Laci was murdered by burglars who had targeted a nearby home at the time of the killing. Andrea Margolis, Fox News, 7 Oct. 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 22 Nov. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!