the·o·riz·er
variants
also British theoriser
-zə(r)
plural -s
: one that theorizes
Examples of theorize in a Sentence
Verb
Many scientists have theorized about the possibility of life on other planets.
Recent Examples on the Web
Emma Gometz, Scientific American, 12 June 2026
When the reunion actually began airing in May, fans theorized that the audio had been leaked to prevent Batula from getting a seemingly sympathetic edit.
—Sarah Hearon, Entertainment Weekly, 10 June 2026
Gavin theorizes that maybe everything is a little too nice, a little too boring, and Kenny wants some more passion in his relationship.
—Brian Moylan, Vulture, 10 June 2026
These researchers theorize that black holes can also form at much more diminutive sizes that do not require the existence and death of massive stars or prior pairs of black holes.
—Robert Lea, Space.com, 10 June 2026
See All Example Sentences for theorize
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Verb
One answer is the Rare Earth hypothesis, which theorizes that our planet really is special.
—Emma Gometz, Scientific American, 12 June 2026
When the reunion actually began airing in May, fans theorized that the audio had been leaked to prevent Batula from getting a seemingly sympathetic edit.
—Sarah Hearon, Entertainment Weekly, 10 June 2026
Gavin theorizes that maybe everything is a little too nice, a little too boring, and Kenny wants some more passion in his relationship.
—Brian Moylan, Vulture, 10 June 2026
These researchers theorize that black holes can also form at much more diminutive sizes that do not require the existence and death of massive stars or prior pairs of black holes.
—Robert Lea, Space.com, 10 June 2026
See All Example Sentences for theorize
Cite this Entry
“Theorize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorize. Accessed 20 Jun. 2026.
Copy CitationKids Definition
theorize
verb
the·o·rize
ˈthē-ə-ˌrīz 
theorized; theorizing
: to form a theory : speculate
theorizer
noun
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