theorize
verb (used without object)
had theorized
-
past perfectof theorize.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The researchers had theorized that electrostatic induction was the mechanism driving the interplay between the worm and its target.
From Science Daily ● Oct. 15, 2025
Scientists had theorized a few explanations for the massive jump in September, which Hausfather called “gobsmacking.”
From Seattle Times ● Jun. 4, 2024
Scientists had theorized that there might be two asteroids since they saw the brightness of Dinkinesh change over time, indicating an orbital shadow.
From Washington Times ● Nov. 3, 2023
They had begun by studying SIDS, or sudden infant death syndrome, and had theorized that it might be caused by the infants literally being unable to breathe while they slept.
From Salon ● Oct. 23, 2023
He had thought a woman's hair was like floss silk—at least Winsome's, for he had theorized about none other.
From The Lilac Sunbonnet by S. R. (Samuel Rutherford) Crockett
