difficult problem
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.
“It’s a notoriously difficult problem for classical computers,” Chow explained.
From Barron's ● Jan. 29, 2026
At the heart of the debate is a difficult problem.
From BBC ● Dec. 5, 2025
“It’s a difficult problem to solve, and California is kind of solving it in real time.”
From Los Angeles Times ● Nov. 26, 2025
That problem of coordinating people's attention at the same time to do X is a difficult problem.
From Salon ● Mar. 22, 2025
It was a difficult problem, as they did not know how many girls were in existence.
From "The Interrupted Tale" by Maryrose Wood
