solve
verb (used with object)
to find the answer or explanation for; clear up; explain.
had solved
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past perfectof solve.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.
Last month, OpenAI, the creator of ChatGPT, said it had solved one of maths' great unsolved problems, relating to the famous Navier–Stokes equations.
From BBC ● Oct. 28, 2026
The mathematical world was shaken to its core last month, when OpenAI announced that it had solved one of the field’s most celebrated problems.
From The Wall Street Journal ● Oct. 2, 2026
OpenAI said Tuesday that one of its unreleased artificial intelligence models had solved a mathematical puzzle that has eluded mathematicians for generations, in a claim which also drew a fight with rival researchers over credit.
From Barron's ● Sep. 8, 2026
Last month, OpenAI announced that its latest version of ChatGPT had solved a major math problem, one that had stumped experts for 80 years.
From Slate ● Jun. 22, 2026
For a moment, before he receded from history, too, White was eulogized as a good man who had solved the murders of the Osage.
From "Killers of the Flower Moon" by David Grann
