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was theorizing

  • past progressive
    of theorize.
    theorize
    verb (used without object)
    to form a theory or theories.

Example Sentences

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Astronomers claimed to see signs of life on Mars; Einstein was theorizing that space and time were the same thing.

From Time Magazine Archive

However, I fully realized that I was theorizing without sufficient data, and determinedly I brought my attention back to the coroner's catalogue of questions.

From The Gold Bag by Carolyn Wells